| 15897 | $300 Scratch and Ding Mystery Box | xUmp.com | $179.00 |
| 14842 | 1 x AA Battery Holder with Leads - 1.5V | xUmp.com | $0.59 |
| 16274 | 1 x AA Battery Holder with Switch and Leads - 1.5V | xUmp.com | $1.29 |
| 14664 | 10 Alligator Clip Leads - Medium | xUmp.com | $4.50 |
| 14225 | 10 Color Pen | Toysmith | $4.95 |
| 17360 | 10 Magnet and Hook Sets | | $9.95 |
| 16639 | 10 pack CR2032 Batteries with Wire Leads (CMOS) | xUmp.com | $27.90 |
| 16260 | 10 pack Mini DC Motors - 1.5-6V | xUmp.com | $14.95 |
| 16239 | 10 pack Piezo Electronic Alarm Buzzers with Leads - 1.5V | xUmp.com | $15.90 |
| 16449 | 10 pack Piezo Electronic Alarm Buzzers with Leads - 3V | xUmp.com | $15.90 |
| 16450 | 10 pack Piezo Electronic Alarm Buzzers with Leads - 9V | xUmp.com | $15.90 |
| 16786 | 10 pack Solar Cells - 1.5V 400mA 80x60mm | xUmp.com | $44.95 |
| 16756 | 10 pack Solar Cells - 2V 130mA 54x54mm | xUmp.com | $30.95 |
| 16259 | 100 Assorted LEDs Pack - 5mm | xUmp.com | $3.95 |
| 17099 | 100 Ohm 10W Ceramic Resistor | xUmp.com | $2.29 |
| 16872 | 100 Prepared Biology Microscope Slides Set | xUmp.com | $69.00 |
| 15378 | 100 Rocks and Minerals of the U.S.A. | xUmp.com | $95.00 |
| 16604 | 1000 Lumen COB Rechargeable Floodlight with Stand | xUmp.com | $25.95 |
| 16127 | 1000 Solar UV Beads | xUmp.com | $21.99 |
| 16105 | 1000g x 0.1g Mini Bench Digital Scale | US Balance | $17.95 |
| 14455 | 1000g x 0.1g Precision Digital Scale | US Balance | $12.50 |
| 16929 | 1000mL Plastic Measuring Jug | xUmp.com | $3.99 |
| 10241 | 1000um Fiber Optic Cable | Elenco | $2.99 |
| 16871 | 1000X HD 1080P Digital Microscope with LCD Screen | xUmp.com | $85.00 |
| 16757 | 1000X HD WiFi Wireless Digital Microscope | xUmp.com | $69.00 |
| 17339 | 1000X USB HD Digital Microscope with LED Illumination | | $39.00 |
| 14771 | 100g Calibration Weight | xUmp.com | $2.99 |
| 16676 | 100g x 0.01g Digital Pocket Scale | US Balance | $12.95 |
| 17153 | 10cm 40pin Male-to-Male Breadboard Jumper Cable Ribbon | xUmp.com | $1.49 |
| 17219 | 10-in-1 Adventure Excavation Mega Dig Kit | | $19.95 |
| 16605 | 10W COB LED Lantern with Compass | xUmp.com | $19.95 |
| 16112 | 10X Achromatic DIN Microscope Objective | xUmp.com | $25.95 |
| 17373 | 10x5mm Neodymium N50 Ring Magnet with Screw Countersink | | $0.79 |
| 16355 | 11.1V 3A Lithium Solar Charge Controller | xUmp.com | $11.00 |
| 17098 | 12mm Laser Module Holder and Heatsink | xUmp.com | $4.95 |
| 14828 | 12mm Steel Balls - Set of 12 | xUmp.com | $7.99 |
| 16329 | 12V 10W Waterproof Solar Panel | xUmp.com | $44.99 |
| 16948 | 12V 21Ah Lithium-Ion Rechargeable Battery | xUmp.com | $139.00 |
| 16356 | 12V 4400mAh Lithium Battery | xUmp.com | $45.00 |
| 16357 | 12V 9800mAh Lithium Battery | xUmp.com | $64.99 |
| 16399 | 15 Minerals Study Kit | xUmp.com | $27.95 |
| 16318 | 15W Stereo Audio Amplifier | xUmp.com | $7.99 |
| 17340 | 15X LED Illuminated Loupe Magnifier | | $7.95 |
| 16762 | 18650 Battery Charge Shield - 3V 5V DC Supply | xUmp.com | $5.99 |
| 16465 | 18650 Lithium Cell 3.7V Battery Holder with Leads | xUmp.com | $1.09 |
| 17363 | 18V 100W Solar Panel - Flexible and Waterproof | | $179.50 |
| 16316 | 18V 150mA Solar Panel with Alligator Clips | xUmp.com | $19.95 |
| 16695 | 18V 30W Waterproof Solar Panel with Connection Leads | xUmp.com | $79.95 |
| 16888 | 1F 5.5V Super Capacitor | xUmp.com | $2.79 |
| 10399 | 1in Alnico Horseshoe Magnet | Dowling Magnets | $5.99 |
| 17080 | 1K Potentiometer - 16mm | xUmp.com | $0.59 |
| 16431 | 1N4001 Diode - 1A 50V | xUmp.com | $0.29 |
| 17173 | 1V 85mA Mini Solar Cell with Wire Leads - 30x25mm | xUmp.com | $1.95 |
| 10143 | 2 inch Alnico Horseshoe Magnet | Dowling Magnets | $9.95 |
| 17038 | 2 x AA Battery Holder 3V with On/Off Knife Switch | xUmp.com | $1.49 |
| 15877 | 2 x AA Battery Holder B2B with Leads - 3V | xUmp.com | $1.29 |
| 14015 | 2 x AA Battery Holder with Leads- 3V | xUmp.com | $0.95 |
| 14016 | 2 x AA Battery Holder with Switch and Leads - 3V | xUmp.com | $1.44 |
| 16856 | 2 x AAA Battery Holder with Switch and Leads - 3V | xUmp.com | $1.39 |
| 16466 | 2 x CR2032 Battery Holder Round Black with Switch | xUmp.com | $1.49 |
| 16467 | 2 x CR2032 Clear Battery Holder Flat with Switch | xUmp.com | $1.29 |
| 14014 | 2 x D Battery Holder with Leads - 3V | xUmp.com | $1.88 |
| 16426 | 2.1mm DC Power Jack - Female Chassis Mount | xUmp.com | $1.49 |
| 17102 | 2.5V Mini E10 Lightbulbs - Pack of 50 | xUmp.com | $9.95 |
| 17294 | 2000X HD Digital Microscope 7-inch LCD 12MP Rechargeable | | $195.00 |
| 15899 | 200g Calibration Weight | xUmp.com | $3.99 |
| 11289 | 200g x 0.01g High Accuracy Digital Scale | US Balance | $25.95 |
| 16346 | 20A 12V Lithium Battery Solar Charge Controller | xUmp.com | $29.00 |
| 17154 | 20cm 40pin Male-to-Male Breadboard Jumper Cable Ribbon | xUmp.com | $1.79 |
| 16770 | 20g x 0.001g Ultra-High Precision Digital Scale | US Balance | $34.95 |
| 10408 | 24 Piece Magnet Set | Toysmith | $10.95 |
| 16691 | 24AWG Stranded Copper Wire - Four Colors - 10m each | xUmp.com | $9.99 |
| 16395 | 24LED Adjustable Frequency Strobe | Velleman | $22.95 |
| 15638 | 25ml Plastic Gem Jars - 12pk | xUmp.com | $5.99 |
| 16748 | 25mm Solid Balls - set of 14 | xUmp.com | $29.99 |
| 17172 | 2ft Black Alligator Clips Cords - 5 pack | | $3.49 |
| 17171 | 2ft Red Alligator Clips Cords - 5 pack | | $3.49 |
| 16040 | 2-Pack Edible Wilderness and Survival Cards | xUmp.com | $14.99 |
| 17341 | 2W USB Solar Panel Phone Battery Charger | | $14.95 |
| 16101 | 3 Blade Propeller - 80mm | xUmp.com | $0.49 |
| 16642 | 3 inch Steel Horseshoe Magnet | xUmp.com | $3.95 |
| 16108 | 3 Laser Pointers Set - Red Green Blue | xUmp.com | $29.99 |
| 15611 | 3 LED COB Lumifier - 3.4 inch 3X | xUmp.com | $7.50 |
| 17209 | 3 x 18650 Lithium Cell Battery Holder - 11.1V | | $1.29 |
| 16272 | 3 x AA Battery Holder with Leads - 4.5V | xUmp.com | $0.99 |
| 16275 | 3 x AA Battery Holder with Switch and Leads - 4.5V | xUmp.com | $1.48 |
| 16657 | 3.7V Lithium Battery Indicator Tester | xUmp.com | $2.59 |
| 15940 | 3/4 inch Disc Levitation Magnet | xUmp.com | $0.25 |
| 15941 | 3/4 inch Ring Levitation Magnet - 1/4 hole | xUmp.com | $0.25 |
| 17365 | 3000g x 0.1g US-Scientific Digital Scale | | $35.00 |
| 17140 | 30A 12V/24A Solar Charge Controller | xUmp.com | $14.95 |
| 17367 | 30ml Clear PET Bottle with Screwcap | | $0.79 |
| 17092 | 30ml Luer Lock Syringe with Cap - Non-Sterile | xUmp.com | $1.19 |
| 17169 | 3-12V 5A Adjustable DC Power Supply with Digital LCD Display | xUmp.com | $19.95 |
| 17168 | 3-24V 2A Adjustable DC Power Supply with Digital LCD Display | xUmp.com | $19.95 |
| 14628 | 35x25mm Right-Angle Optical Glass Prism | xUmp.com | $4.59 |
| 17133 | 365nm UV Light Blacklight Keychain | xUmp.com | $1.95 |
| 11692 | 3D Mirascope | Toysmith | $10.95 |
| 10410 | 3D Solar System Mobile 4M Kit | 4M | $21.50 |
| 10398 | 3in Alnico Cow Magnet | Dowling Magnets | $7.95 |
| 17243 | 3-in-1 Alternative Energy Car DIY STEM Kit | | $13.95 |
| 15313 | 3-in-1 Diffraction Grating | xUmp.com | $32.95 |
| 16976 | 3-in-1 Laser Pointer, LED Flashlight Keychain | xUmp.com | $3.95 |
| 16717 | 3-in-1 Water Quality Tester - pH EC TEMP | xUmp.com | $39.95 |
| 17389 | 3M Double-Sided Adhesive Mounting Dots - 50pcs - 23mm diameter | | $6.95 |
| 16120 | 3V-12V DC Variable Power Supply | xUmp.com | $59.95 |
| 16720 | 3W COB Sun-Spectrum Light Chip - 20 mm diameter 9-12V | xUmp.com | $1.59 |
| 17198 | 3X Rubberized HandHeld Magnifying Glass - 3-inch diameter | | $4.95 |
| 15466 | 4 AA Panasonic Alkaline Plus Batteries | Panasonic | $2.19 |
| 15468 | 4 AAA Panasonic Alkaline Plus Batteries | Panasonic | $2.19 |
| 16759 | 4 Blade Propeller - 56mm | xUmp.com | $0.49 |
| 16641 | 4 inch Steel Bar Magnet Red/Blue Pair | xUmp.com | $3.95 |
| 16273 | 4 x AA Battery Holder with Leads - 6V | xUmp.com | $1.15 |
| 14017 | 4 x AA Battery Holder with Switch and Leads - 6V | xUmp.com | $1.56 |
| 17331 | 40 mm 1.58 inch Liquid Filled Compass | | $1.99 |
| 17390 | 400 Resistors Assortment Set for DIY Electronics - 20 Values 1/4W | | $2.95 |
| 16113 | 40X Achromatic DIN Microscope Objective | xUmp.com | $25.95 |
| 16983 | 40X Magnifier Loupe with LED Light | xUmp.com | $4.95 |
| 17385 | 450 Ceramic Capacitors Assortment Set for DIY Electronics - 15 Values | | $13.95 |
| 14435 | 4D Animal Cell Model | 4D Vision | $34.95 |
| 16607 | 4D Didactic Exploded Human Skull Anatomy Model | 4D Vision | $34.95 |
| 16816 | 4D Dog Anatomy Model | 4D Vision | $32.95 |
| 15461 | 4D Exploded Skull Anatomy Model | 4D Vision | $29.95 |
| 13877 | 4D Female Reproductive Anatomy Model | 4D Vision | $27.95 |
| 13879 | 4D Frog Anatomy Model | 4D Vision | $32.95 |
| 13881 | 4D Great White Shark Anatomy Model | 4D Vision | $32.95 |
| 13873 | 4D Human Head Anatomy Model | 4D Vision | $34.95 |
| 13874 | 4D Human Heart Anatomy Model | 4D Vision | $22.95 |
| 13813 | 4D Human Muscle and Skeleton Model | 4D Vision | $22.99 |
| 13872 | 4D Human Torso Anatomy Model | 4D Vision | $22.95 |
| 13878 | 4D Male Reproductive Anatomy Model | 4D Vision | $27.95 |
| 16817 | 4D Orange Cat Anatomy Model | 4D Vision | $34.95 |
| 14436 | 4D Plant Cell Model | 4D Vision | $35.95 |
| 17195 | 4D Vision T-Rex Anatomy Model | | $34.95 |
| 17196 | 4D Vision Triceratops Anatomy Model | | $34.95 |
| 13880 | 4D Woolly Mammoth Anatomy Model | 4D Vision | $34.95 |
| 13825 | 4-in-1 Pen Screwdriver | xUmp.com | $2.29 |
| 16253 | 4M Crystal Growing Kit | 4M | $9.95 |
| 10705 | 4M Diving Submarine | 4M | $5.95 |
| 12258 | 4M Fridge Rover | 4M | $5.95 |
| 17093 | 4m Green Pulley String | xUmp.com | $1.49 |
| 14220 | 4M Kitchen Science Kit | 4M | $13.95 |
| 17110 | 4M STEAM Scientific Discovery Kit | 4M | $39.00 |
| 17279 | 4-Pack of ICR 18650 Blue Lithium-Ion Rechargeable Batteries - 3.7V 2600mAh | | $19.95 |
| 17356 | 4-Pack of INR 18650 Red Lithium-Ion Rechargeable Batteries - 3.7V 2200mAh | | $12.95 |
| 16578 | 5 VDC Stepper Motor with ULN2003 Driver Board | Velleman | $6.95 |
| 13149 | 5.5 inch Tongue Depressors - box of 500 | xUmp.com | $7.99 |
| 16248 | 500 Plastic Pipettes - Graduated 3ml | xUmp.com | $20.00 |
| 16991 | 500F 2.7V Super Capacitor | xUmp.com | $7.95 |
| 10491 | 500g x 0.1g Digital Pocket Scale (US-Magnum) | US Balance | $15.99 |
| 16107 | 500X USB Digital Microscope with Stand | xUmp.com | $39.00 |
| 14770 | 50g Calibration Weight | xUmp.com | $2.59 |
| 16575 | 51 LED UV Scorpion Blacklight Flashlight - 395nm | xUmp.com | $22.95 |
| 16882 | 5200mAh USB Mobile PowerBank - 5V 1A | xUmp.com | $14.95 |
| 17310 | 5A 2.4A PowerBank Lithium 18650 Charging Module | | $5.95 |
| 16978 | 5ft 1.5m Tailors Tape Measure - pack of 12 | xUmp.com | $2.99 |
| 17296 | 5-in-1 Digital Water Tester - TDS, EC, Salinity, SG, Temp | | $29.95 |
| 17359 | 5-in-1 Water Quality Tester - Salinity, pH, TDS, EC, Temp | | $39.95 |
| 17075 | 5pc 30W Soldering Iron Kit - Lead-Free UL Approved | xUmp.com | $12.50 |
| 16883 | 5V USB-Powered Micro Tesla Coil | xUmp.com | $17.50 |
| 17342 | 5W USB Solar Panel Phone Battery Charger | | $27.95 |
| 17197 | 5X Glass Lens Magnifying Glass - 2-inch diameter | | $2.95 |
| 15558 | 6 inch Plasma Ball | Tedco | $35.95 |
| 16822 | 600 Lumen COB Floodlight | xUmp.com | $9.95 |
| 17384 | 600 Resistors Assortment Set for DIY Electronics - 1/4 W 30 Values | | $6.95 |
| 17386 | 600 Transistors Assortment Set for DIY Electronics - 15 Values TO92 | | $14.95 |
| 16573 | 60X Clip-on LED Microscope | xUmp.com | $5.50 |
| 15794 | 6-Color Ball of Whacks | Creative Whack | $39.95 |
| 14707 | 6ft Audio Cable - Stereo to Stereo Plug | xUmp.com | $1.59 |
| 16974 | 6Pc Watch Band Compass Set | xUmp.com | $1.95 |
| 17101 | 6V Mini E10 Lightbulbs - Pack of 50 | xUmp.com | $9.95 |
| 16354 | 6V/12V 10A Solar Charge Controller | xUmp.com | $11.00 |
| 10396 | 75 Counting Chips with Block Magnet | Dowling Magnets | $7.95 |
| 16636 | 8ft Jumbo Green Inflatable Alien | xUmp.com | $29.95 |
| 17382 | 9 LED UV Blacklight Flashlight - 395nm | | $3.95 |
| 16971 | 9Pc Ceramic Magnet Set | xUmp.com | $1.79 |
| 16464 | 9V Battery Holder with Switch and Leads | xUmp.com | $1.99 |
| 15872 | 9V Battery Snap Connector with Leads | xUmp.com | $0.29 |
| 16801 | 9V Battery Snap to Alligator Clips Connection Wire | xUmp.com | $0.95 |
| 17088 | 9V Battery Snap to DC Plug Adapter | xUmp.com | $0.79 |
| 17379 | 9V Micro Tesla Coil Module - Fully Assembled | | $5.95 |
| 15469 | 9V Panasonic Alkaline Plus Battery | Panasonic | $2.95 |
| 15347 | Acrylic Color Optical Filters - pack of 5 | xUmp.com | $9.95 |
| 13491 | Acrylic Equilateral Prism - 25 x 75 mm | xUmp.com | $3.50 |
| 15349 | Acrylic Lens & Prisms Set | xUmp.com | $19.95 |
| 16944 | Acrylic Mirror - 4 x 2 inches | xUmp.com | $2.19 |
| 16290 | Acrylic Wave Pendulum | xUmp.com | $119.00 |
| 17170 | Adhesive Conductive Copper Foil - 10mm wide x 25 m long | xUmp.com | $7.95 |
| 13619 | Adhesive Magnetic Dots | Dowling Magnets | $6.95 |
| 15592 | Adjustable Beaker Stand for Micro Burner | xUmp.com | $12.99 |
| 16726 | Adjustable Bunsen Burner | xUmp.com | $11.99 |
| 17239 | Adjustable DC Switching Power Supply - 0-30V 5A | | $75.00 |
| 15356 | Adjustable Double Burette Clamp | xUmp.com | $11.00 |
| 16765 | Adjustable Green Laser Module - Line 510nm 5mW | xUmp.com | $35.95 |
| 15879 | Adjustable Red Laser Module - Dot 650nm 5mW | xUmp.com | $5.99 |
| 16451 | Adjustable Red Laser Module - Line 650nm 5mW | xUmp.com | $5.99 |
| 12931 | Adjustable Stage for 540X Lens | xUmp.com | $39.99 |
| 16887 | Adjustable USB Power Supply - DP2F - 0.5V to 30V 2A | xUmp.com | $14.95 |
| 16766 | Adjustable Violet/Blue Laser Module - Line 405nm 5mW | xUmp.com | $29.99 |
| 15587 | Advanced All-Purpose Glass Celsius Thermometer | xUmp.com | $4.95 |
| 15170 | Advanced Fossil Collection | xUmp.com | $49.95 |
| 15993 | AG-13 Alkaline Batteries - 20 pack | xUmp.com | $2.95 |
| 17136 | AG13 LR44 1.5V Alkaline Batteries - 10 pack | xUmp.com | $1.99 |
| 15241 | Agar Powder - 10g - Petri Dish Biology Experiments | xUmp.com | $15.95 |
| 15240 | Agar Powder - 3g - Petri Dish Biology Experiments | xUmp.com | $8.95 |
| 13174 | Agate Bookends - Blue | Geocentral | $59.00 |
| 14602 | Agate Bookends - Green | Geocentral | $59.00 |
| 13173 | Agate Bookends - Natural | Geocentral | $59.00 |
| 11817 | Agate Geode Half | xUmp.com | $7.95 |
| 14243 | Air Spectrum Discharge Tube | xUmp.com | $22.95 |
| 14476 | Alcohol Thermometer -20 to 110 deg C | xUmp.com | $4.99 |
| 16278 | Alien Attack Sling Shot | xUmp.com | $2.99 |
| 17126 | Alkaline Button Cell Watch Batteries Assortment - set of 20 | xUmp.com | $2.95 |
| 17199 | Alligator Clips with Insulated Grip - 12Pc Set | | $2.95 |
| 16394 | Alligator Cords - 10 pack - 2ft Red/Black Set | xUmp.com | $6.95 |
| 14484 | Alligator Cords - 2ft - pack of 6 | xUmp.com | $3.99 |
| 11114 | Alligator Cords - 2ft Red/Black Set | xUmp.com | $1.59 |
| 10386 | Alnico Bar Magnet | Dowling Magnets | $7.95 |
| 12748 | Alnico Science Kit | Dowling Magnets | $19.95 |
| 15627 | Aluminum Compass - 1.75 inch | xUmp.com | $2.49 |
| 15775 | Aluminum Tuning Forks - Set of 8 | xUmp.com | $54.95 |
| 11197 | Amazonite - Bulk Mineral | Geocentral | $1.95 |
| 15758 | Amazonite - Large Chunk (2-3 inch) | xUmp.com | $19.95 |
| 16724 | Amber Bottle 8oz - Boston Round w/Cap | xUmp.com | $2.59 |
| 10973 | Amethyst - Bulk Mineral | Geocentral | $1.95 |
| 11822 | Amethyst - Large Chunk (2-3 inch) | xUmp.com | $9.95 |
| 15091 | Amethyst Candle Holder | xUmp.com | $49.95 |
| 15762 | Amethyst Point - Large Chunk (2-3 inch) | xUmp.com | $14.95 |
| 17165 | AMMEX X3D Blue Nitrile Industrial Latex-Free Disposable Gloves - Box of 200 | | $39.95 |
| 17141 | AmSci Understanding Coronavirus Science Kit | xUmp.com | $49.00 |
| 17114 | Analog Adjustable USB Power Supply - 1V to 30V 2A | xUmp.com | $15.95 |
| 17349 | Analog DC Ammeter Module - 5A | | $5.95 |
| 11028 | Analog DC AmpMeter 0-1A | xUmp.com | $9.99 |
| 13457 | Anemometer | xUmp.com | $14.95 |
| 16787 | Ant Habitat Replacement Gel | xUmp.com | $7.95 |
| 16831 | Anti-fog Project Safety Glasses | xUmp.com | $2.95 |
| 16576 | Anti-Static Adjustable Elastic Wrist Strap | Velleman | $4.99 |
| 16423 | Apophyllite - Large Chunk (2-3 inch) | xUmp.com | $19.95 |
| 14246 | Argon Spectrum Discharge Tube | xUmp.com | $22.95 |
| 16629 | Ask the Alien - Magic 8 Ball | Schylling | $9.95 |
| 14925 | Assembled 7W Mono Amplifier | Velleman | $20.00 |
| 14922 | Assorted Transistors Set - 100 pcs | Velleman | $15.95 |
| 17048 | ASTM Level 1 Earloop Face Masks - Pack of 50 | | $29.95 |
| 17074 | ASTM Level 3 Earloop Face Masks - Pack of 50 | | $34.95 |
| 16109 | Atmospheric Mat with Hook | xUmp.com | $24.99 |
| 14125 | Atom Ball | Toysmith | $3.59 |
| 15890 | Atom Ball - 4 pack | xUmp.com | $12.00 |
| 16187 | Aura Amethyst | xUmp.com | $3.99 |
| 17009 | Awesome Fossils Collection - 9 Real Fossils | Copernicus Toys | $7.95 |
| 17049 | AZUR Nitrile Exam Gloves - LARGE - Box of 200 | | $29.95 |
| 16373 | Azurite - Large Chunk (2-3 inch) | xUmp.com | $14.95 |
| 14732 | Backlit Digital Multimeter | xUmp.com | $12.00 |
| 16870 | Bacteria Farm Experiment Kit | Heebie Jeebies | $19.95 |
| 14224 | Balancing Eagle | Toysmith | $4.95 |
| 17376 | Balancing Pterosaur | | $4.39 |
| 10871 | Ball and Ring - Thermal Expansion Set | xUmp.com | $10.99 |
| 15675 | Ballistics Car Physics Demo | xUmp.com | $39.00 |
| 16741 | Balloon and Puck Set | xUmp.com | $25.95 |
| 10431 | Balloon Car Racer | Toysmith | $4.95 |
| 10523 | Balloon Helicopter | Toysmith | $3.49 |
| 17288 | Banded Sandstone Chunks - Pack of 10 | | $16.95 |
| 13971 | Basic Molecular Model Set | xUmp.com | $24.95 |
| 15161 | Basic Spectrometer | xUmp.com | $279.00 |
| 15538 | Bat Skeleton Specimen | Real Insect | $59.00 |
| 14820 | Beaker Tongs | xUmp.com | $5.99 |
| 15089 | Bear Wise Playing Cards | xUmp.com | $7.95 |
| 14813 | Bell Jar with Bell and Pressure Plate | xUmp.com | $95.00 |
| 14772 | Benchtop Pro Digital Scale - 2000g x 0.1g | US Balance | $27.50 |
| 15593 | Bernoulli Bag - Pack of 4 | xUmp.com | $8.95 |
| 15799 | Big Ball of Whacks - Red | Creative Whack | $37.50 |
| 17255 | Big Blue LED with Wire Leads - 5V 10mm | | $0.99 |
| 16610 | Big Builder Sand Box | xUmp.com | $29.95 |
| 11952 | Bi-Metal Compound Bar | xUmp.com | $6.49 |
| 16569 | Bismuth Crystal - Large | xUmp.com | $14.99 |
| 16163 | Bismuth Crystal - Small | xUmp.com | $5.99 |
| 17134 | Bismuth Metal Cube - 10mm 99.95 Pure | xUmp.com | $14.95 |
| 17184 | Black Light Science Kit - 9 piece set - 6 experiments | Toysmith | $8.00 |
| 15697 | Black Streak Plates - set of 10 | xUmp.com | $10.95 |
| 15765 | Black Tourmaline In Quartz - Large Chunk (2-3 inch) | xUmp.com | $24.95 |
| 13806 | Blackish Stag Beetle | Real Insect | $14.99 |
| 16492 | Blobz - Gooey Stress Ball | Play Visions | $3.99 |
| 15335 | Blood Pressure Set | xUmp.com | $22.99 |
| 17400 | Blue Agate Coaster | | $9.95 |
| 17204 | Blue Celt Rattleback | | $0.95 |
| 16924 | Blue Cobalt Bottle with Dropper - 2oz | xUmp.com | $1.99 |
| 15985 | Blue Kyanite - Large Chunk (2-3 inch) | xUmp.com | $19.95 |
| 15311 | Blue Litmus Paper - 100 strips | xUmp.com | $1.29 |
| 13449 | Blue Magic Wand Kaleidoscope | xUmp.com | $12.95 |
| 16874 | Blue Neon Bulb - 6mm x 16mm - for Electro-Static Experiments | xUmp.com | $1.95 |
| 15531 | Blue Pi Math T-Shirt | xUmp.com | $9.95 |
| 17085 | BNC Male to Dual Banana Female T-Adapter | xUmp.com | $3.99 |
| 17084 | BNC Male to Dual BNC Female T-Adapter | xUmp.com | $1.99 |
| 15760 | Botryoidal Hematite - Large Chunk (2-3 inch) | xUmp.com | $11.95 |
| 17207 | Breadboard 2 x AA Battery Holder 3V - with wire and pins | | $1.29 |
| 17208 | Breadboard 4 x AA Battery Holder 6V - with wire and pins | | $1.39 |
| 17068 | Breadboard Jumper Wire to Alligator Clip | xUmp.com | $5.95 |
| 17039 | Breadboard Jumper Wires - Set of 65 | xUmp.com | $1.99 |
| 16758 | Breadboard Power Supply 3.3V 5V USB Arduino | xUmp.com | $2.49 |
| 14200 | Break Open Your Own Single Geode | xUmp.com | $4.95 |
| 10967 | Break-Your-Own Geodes Kit | Geocentral | $11.99 |
| 14735 | Bubble Science 4M Kit | 4M | $13.95 |
| 16116 | Bumper Cars - Pair | xUmp.com | $7.95 |
| 14868 | Bunsen Burner for Chemistry Labs | xUmp.com | $8.99 |
| 14133 | Burette Clamp - Single Coated Jaws | xUmp.com | $6.99 |
| 17095 | Bussmann DMM-11AR Multimeter Fuse - 1000V 11A | xUmp.com | $6.95 |
| 17096 | Bussmann DMM-B-44/100 Multimeter Fuse - 1000V 440mA | xUmp.com | $6.95 |
| 14253 | Caffeine Glass Beaker Mug | xUmp.com | $14.95 |
| 17307 | Calcite Cleavages - Pack of 10 | | $14.95 |
| 17240 | Calibration Weights Set - 50g 100g 200g - Set of 3 | | $7.95 |
| 11820 | Calymine Trilobite Fossil | xUmp.com | $10.95 |
| 16472 | Camping Solar LED Light Bulb - 0.8W 5V 150 Lumens | xUmp.com | $12.95 |
| 14252 | Carbon Dioxide Spectrum Discharge Tube | xUmp.com | $22.95 |
| 12929 | Carrying Case for GE-5 | xUmp.com | $79.99 |
| 14479 | Cavity Tile - Spotting Tile - Polypropylene | xUmp.com | $0.79 |
| 10151 | Ceramic Bar Magnet | Dowling Magnets | $0.69 |
| 10401 | Ceramic Block Magnet | Dowling Magnets | $1.39 |
| 15109 | Ceramic Color Ring Magnet | Dowling Magnets | $0.89 |
| 10152 | Ceramic Disc Magnet | Dowling Magnets | $0.49 |
| 10150 | Ceramic Horseshoe Magnet | Dowling Magnets | $0.99 |
| 10400 | Ceramic Latch Magnet | Dowling Magnets | $0.39 |
| 10229 | Ceramic Ring Magnet | Dowling Magnets | $0.49 |
| 13346 | Chalcopyrite - Rough Bulk Mineral | Geocentral | $2.95 |
| 16985 | Challenger Safety Goggles - Clear Anti Fog | xUmp.com | $5.95 |
| 11203 | Chrysocolla - Bulk Mineral | Geocentral | $1.95 |
| 15757 | Chrysocolla - Large Chunk (2-3 inch) | xUmp.com | $10.95 |
| 16157 | Circle Sand Art - Blue | xUmp.com | $24.95 |
| 11206 | Citrine Points - Bulk Mineral | Geocentral | $1.95 |
| 14136 | Clamp Holder - Cast Iron | xUmp.com | $3.49 |
| 17127 | Classic Retro-Style Wood Yo-Yo | xUmp.com | $1.69 |
| 10392 | Classroom Magnet Kit - Level 1 | Dowling Magnets | $85.00 |
| 10394 | Classroom Magnet Kit - Level 3 | Dowling Magnets | $125.00 |
| 13401 | Clean Water Science 4M Kit | 4M | $13.95 |
| 13840 | Cloth Tape Measure | xUmp.com | $0.99 |
| 13993 | Cloud Forming Apparatus | xUmp.com | $19.95 |
| 17311 | CN3065 Lithium 18650 Battery Charge Module | | $3.95 |
| 17230 | Coarse Iron Filings - 500g bottle | | $9.95 |
| 15995 | Cob LED Stick Light - 100 Lumens | xUmp.com | $4.99 |
| 15711 | Coffee Cup Stirling Engine | xUmp.com | $49.00 |
| 15873 | Coin Vibration Motor - 3V | xUmp.com | $0.99 |
| 16852 | Coko Programmable Crocodile Robot | Clementoni | $59.00 |
| 13992 | Color Optical Filters - Gelatin - Pack of 5 | xUmp.com | $9.95 |
| 15590 | Color Paddles - Set of 18 | xUmp.com | $8.99 |
| 13423 | Common Tiger Butterfly Specimen in Acrylic Block | Real Insect | $17.95 |
| 15604 | Compass - 1.5 inch diameter | xUmp.com | $1.29 |
| 15910 | Complete Geometric Optics Demo Set | xUmp.com | $119.00 |
| 15682 | Concave Glass Mirror - 3 inch | xUmp.com | $2.99 |
| 16744 | Conducting Dough 16oz | xUmp.com | $7.95 |
| 16743 | Conducting Dough Classroom Kit | xUmp.com | $79.95 |
| 16742 | Conducting Dough Individual Kit | xUmp.com | $29.95 |
| 15159 | Conductivity of Solutions Apparatus | xUmp.com | $11.95 |
| 13536 | Constant Velocity Car | xUmp.com | $11.95 |
| 11111 | Contact Key Switch | xUmp.com | $4.95 |
| 15683 | Convex Glass Mirror | xUmp.com | $3.69 |
| 13851 | Convex Mirror D50mm F75mm | xUmp.com | $1.49 |
| 10548 | Cool Blue Light Experiment Kit | Copernicus Toys | $12.50 |
| 16164 | Copper - Natural Sculpted Specimen | xUmp.com | $2.49 |
| 16878 | Copper Metal Cube - 10mm 99.95 Pure | xUmp.com | $19.95 |
| 13885 | Copper-Zinc Voltaic Cell | xUmp.com | $13.99 |
| 14231 | Coriolis Effect Science Kit | xUmp.com | $49.95 |
| 13989 | Cork Borers - Set of 11 | xUmp.com | $49.95 |
| 15817 | Cork Borers - set of 6 | xUmp.com | $16.95 |
| 10532 | Cosmic Rocket 4M Kit | 4M | $13.95 |
| 13150 | Cotton Tipped Applicator Sticks - pack of 100 | xUmp.com | $1.99 |
| 17031 | CR1225 Lithium Battery - 5 pack | xUmp.com | $1.49 |
| 17410 | CR123A Lithium Batteries 1500 mAh - pack of 2 | | $4.95 |
| 17116 | CR2025 3V Lithium Battery - 5 pack | xUmp.com | $1.29 |
| 16763 | CR2032 Battery Holder with On/Off Switch - LillyPad | xUmp.com | $1.29 |
| 16483 | CR2032 Battery with Wire Leads and Connector (CMOS) | xUmp.com | $2.79 |
| 17409 | CR2032 Lithium Batteries 210 mAh - pack of 5 | | $2.49 |
| 17408 | CR2450 Lithium Batteries 600 mAh - pack of 5 | | $3.79 |
| 17411 | CR2450-2P CMOS Lithium Battery with Molex Connector - 3V 1200mAh | | $4.95 |
| 17404 | CR2477 Lithium Battery - 1100mAh - 5 pack | | $5.00 |
| 13494 | Cristalheat - Supercooled Heat Pack | xUmp.com | $5.99 |
| 16860 | Crookes Radiometer - 7 inch tall | Heebie Jeebies | $29.95 |
| 10094 | Crookes Solar Radiometer | Tedco | $17.95 |
| 14483 | Crucible Tongs - Plated Steel | xUmp.com | $2.29 |
| 17282 | Crystal Garden Kit | | $5.95 |
| 16479 | Crystal Geode Growing 4M Kit | 4M | $13.95 |
| 16950 | Crystal Glass Sphere - 80mm diameter | xUmp.com | $9.95 |
| 17260 | Crystal Growing Edible Experiment Kit | | $23.95 |
| 10426 | Crystal Growing Mystical Tree | Toysmith | $3.95 |
| 16840 | Cyber Robot - Programmable Bluetooth Robotics Kit | Clementoni | $55.00 |
| 16468 | D Battery Holder with Leads - 1.5V | xUmp.com | $1.09 |
| 14671 | Dancing Oobleck Apparatus | xUmp.com | $79.99 |
| 17354 | DC Female 5.5x2.1mm To Alligator Clips Adapter Cable | | $2.79 |
| 17353 | DC Male 5.5x2.1mm To Alligator Clips Adapter Cable | | $2.79 |
| 17052 | DC Motor 130 | xUmp.com | $1.15 |
| 15874 | DC Motor 130 - 1.5-6V with leads | xUmp.com | $1.49 |
| 17330 | DC Motor 260 | | $1.59 |
| 16452 | DC Motor 260 - 1.5-6V with leads | xUmp.com | $1.95 |
| 17142 | DC Motor 300 - 1.5V to 6V | xUmp.com | $1.39 |
| 15153 | DC Motor Kit | xUmp.com | $12.95 |
| 17041 | DC Power Jack Adapters - 2.1mm - Male and Female Set | xUmp.com | $1.59 |
| 16365 | DDS Signal Generator - 1Hz to 8MHz - 7 Waveforms | xUmp.com | $35.00 |
| 17358 | Deluxe 3xAA to D Battery Converter | | $3.49 |
| 14816 | Deluxe Color Mixing Demo | xUmp.com | $99.99 |
| 15239 | Deluxe DC Crank Generator | xUmp.com | $14.99 |
| 15147 | Deluxe Dissecting Set - 12 Pieces | xUmp.com | $25.95 |
| 15308 | Deluxe Gold Leaf Electroscope | xUmp.com | $39.95 |
| 16891 | Deluxe LCD Digital Microscope - 1000X HD 1080P 4.3TFT 2MP | xUmp.com | $149.00 |
| 16540 | Deluxe Life Cycle of Silkworm | Real Insect | $49.00 |
| 13972 | Deluxe Molecular Model Set | xUmp.com | $65.00 |
| 17089 | Deluxe Multimeter Test Leads - Needle Tip - Set of 2 | xUmp.com | $2.95 |
| 17144 | Deluxe USB Female to Alligator Clips Adapter Cable | xUmp.com | $3.95 |
| 17143 | Deluxe USB Male to Alligator Clips Adapter Cable | xUmp.com | $3.95 |
| 15747 | Dendritic Crystal | xUmp.com | $4.95 |
| 15779 | Density Cube Set - 10 Cubes Set | xUmp.com | $49.95 |
| 15752 | Desert Rose Cluster - Large Chunk (2-3 inch) | xUmp.com | $11.95 |
| 15203 | Desktop Skeleton | xUmp.com | $39.00 |
| 16890 | Desktop Solar Engine - Solar Cell Powered DC Motor | | $79.00 |
| 14803 | Desoldering Pump | xUmp.com | $4.99 |
| 13381 | Desoldering Wick for Electronics | Elenco | $1.79 |
| 11006 | Detective Science Fingerprint 4M Kit | 4M | $13.95 |
| 17123 | Dice - Pack of 10 | xUmp.com | $1.69 |
| 17212 | Diffraction Grating Slide - 100, 300 and 600 per inch | | $4.95 |
| 13348 | Dig Into Fossils Booklet | Geocentral | $2.49 |
| 17067 | Digital Adjustable USB Power Supply - 1V to 30V 2A | xUmp.com | $16.99 |
| 16325 | Digital Anemometer | xUmp.com | $19.99 |
| 16754 | Digital DC Voltmeter Module - 3V-30V | xUmp.com | $1.79 |
| 16326 | Digital EMF Meter | xUmp.com | $44.99 |
| 16716 | Digital Inclinometer - 360 deg Digital Level | xUmp.com | $39.95 |
| 14475 | Digital Instant Read Thermometer C/F | xUmp.com | $9.99 |
| 16714 | Digital Laser Tachometer - up to 99999 RPM Meter | xUmp.com | $19.99 |
| 16080 | Digital Particle/Temperature Meter - TDS-3 | xUmp.com | $11.99 |
| 16123 | Digital pH Meter | xUmp.com | $12.99 |
| 16715 | Digital Pocket Oscilloscope - 0-200KHz | xUmp.com | $79.99 |
| 16322 | Digital Sound Meter | xUmp.com | $22.99 |
| 16937 | Digital Stopwatch - 100th of second | xUmp.com | $4.95 |
| 16319 | Digital Thermometer Module with Probe | xUmp.com | $3.59 |
| 17333 | Digital Tire Thread Gauge - Pin Vernier Caliper | | $12.95 |
| 17086 | Digital USB Power Supply - Adjustable 1V-24V 1A | xUmp.com | $7.95 |
| 17277 | Dino Egg Mini Excavation Kit | | $3.95 |
| 16706 | Dino Skeleton Excavation Dig Mini Kit | Geocentral | $4.95 |
| 17328 | Dino Skull Hand Puppets - Set of 2 | | $15.95 |
| 14679 | Dinosaur Bone | xUmp.com | $7.95 |
| 12467 | Dinosaur Fossil Putty | Toysmith | $3.95 |
| 17237 | Dinosaur Poop Natural Educational Box | | $7.95 |
| 11246 | Dinosaurs Playing Cards | xUmp.com | $7.95 |
| 17213 | Dinosaurs Reference Cards - 10 pack | | $2.00 |
| 17350 | Diode Bridge Rectifier Module - KBPC3510 - 35A 1000V | | $2.49 |
| 15984 | Diopside - Large Chunk (2-3 inch) | xUmp.com | $24.95 |
| 13778 | Discharge Electrode - Hand-Held | Winsco | $109.95 |
| 13777 | Discharge Electrode - Large Mounted | Winsco | $279.00 |
| 11242 | Discover America Playing Cards | xUmp.com | $7.95 |
| 10092 | Discovery Pack | Tedco | $18.95 |
| 16832 | Disposable Earplugs - 200 sets | xUmp.com | $24.95 |
| 16835 | Disposable Foam Safety Ear Plugs - ANSI S3. 19-1974 | xUmp.com | $0.19 |
| 16543 | Distilling Apparatus | xUmp.com | $109.00 |
| 12341 | Division Tables Placemat | xUmp.com | $2.50 |
| 16873 | DIY DNA Model | xUmp.com | $9.95 |
| 16868 | DIY Galileo Thermometer Kit | Heebie Jeebies | $15.95 |
| 17066 | DIY Model Boat Motor Drive Set | xUmp.com | $14.95 |
| 13398 | Doodling Robot 4M Kit | 4M | $15.95 |
| 17222 | Doodling Shake Bot DIY STEM Kit | | $4.95 |
| 16768 | Double 18650 Battery Charge Shield - 3V 5V DC Supply | xUmp.com | $9.99 |
| 14134 | Double Burette Clamp | xUmp.com | $15.99 |
| 11104 | Double Pulley | xUmp.com | $2.19 |
| 11106 | Double Tandem Pulley | xUmp.com | $2.29 |
| 17273 | Double-Concave Glass Lens - d=50mm f=15cm | | $1.79 |
| 17274 | Double-Convex Glass Lens - d=50mm f=15cm | | $1.79 |
| 14907 | Dr Johnson's Heat Engine | xUmp.com | $49.95 |
| 14440 | Dual Color Z Liquid Timer | xUmp.com | $7.95 |
| 16320 | Dual Scale C/F Sticker Thermometer | xUmp.com | $0.79 |
| 16889 | Dual-Cylinder Desktop Stirling Engine | | $79.00 |
| 14074 | Dynamic Car Set | xUmp.com | $16.00 |
| 10837 | E=mc2 Science T-Shirt | xUmp.com | $12.95 |
| 17147 | E10 Torch LED Light Bulb - White - 3V-6V 0.06W | xUmp.com | $1.29 |
| 17221 | Earth Globe Foam Ball - 2.75inch 70mm | | $2.95 |
| 16855 | EC TDS Temp 3-in-1 Digital Water Quality Meter | xUmp.com | $43.95 |
| 14392 | Economy Ceramic Horseshoe Magnet | xUmp.com | $0.45 |
| 14814 | Economy Color Mixing Demo | xUmp.com | $44.95 |
| 16433 | Economy DC Crank Generator - USB 5V | xUmp.com | $5.99 |
| 15146 | Economy Dissecting Set - 7 Pieces | xUmp.com | $8.95 |
| 17378 | Economy Laser Ray Box - 3 Adjustable Beams | | $15.95 |
| 16769 | Economy Wire Stripper and Crimper | xUmp.com | $1.29 |
| 15085 | Edible Wilderness Playing Cards | xUmp.com | $7.95 |
| 17276 | Egyptian Mummy Mini Excavation Kit | | $3.95 |
| 17278 | Egyptian Pyramid Mini Excavation Kit | | $3.95 |
| 16945 | Electicity and Magnetism 29-piece Set | xUmp.com | $79.00 |
| 15595 | Electric Bell | xUmp.com | $15.00 |
| 14848 | Electric Double Walled Calorimeter | xUmp.com | $15.95 |
| 16340 | Electric Paint Conductive Ink Pen | xUmp.com | $22.95 |
| 17290 | Electric Paint Conductive Ink Pen | | $12.95 |
| 13780 | Electric Plume for Van de Graaff Generator | Winsco | $32.95 |
| 17249 | Electrical Shrink Tubing Assortment Pack - 328pcs | | $4.75 |
| 14033 | Electromagnet - Dissectible | xUmp.com | $24.95 |
| 14852 | Electromagnet Science Kit | xUmp.com | $31.95 |
| 16661 | Electromagnet Solenoid - 3V 25N | xUmp.com | $6.99 |
| 16660 | Electromagnet Solenoid - 6V 25N | xUmp.com | $7.99 |
| 17214 | Electromagnetic Spectrum Reference Cards - 10 pack | | $2.75 |
| 16935 | Electromagnetism - Oersteds Effect Classroom Demo Apparatus | xUmp.com | $22.50 |
| 17291 | Electronic Digital Vernier Calipers - 4 inch 10 cm | | $6.95 |
| 14937 | Electronic Digital Vernier Calipers - 6 inch 15 cm | xUmp.com | $9.99 |
| 16430 | Electronics Project Box - Large | xUmp.com | $12.95 |
| 16429 | Electronics Project Box - Medium | xUmp.com | $4.99 |
| 16428 | Electronics Project Box - Small | xUmp.com | $2.99 |
| 16531 | Electrophoresis Tank | xUmp.com | $149.00 |
| 13785 | Electrophorus - For Electrostatics Experiments | Winsco | $69.00 |
| 16968 | Electrostatic Discharge Tongs - Adjustable | xUmp.com | $11.95 |
| 16421 | Elestial Quartz - Large Chunk (2-3 inch) | xUmp.com | $24.95 |
| 15750 | Emerald - Large Chunk (2-3 inch) | xUmp.com | $7.99 |
| 14257 | Emerald Quartz - Bulk Mineral | Geocentral | $1.95 |
| 14405 | Emergency Sleeping Bag | xUmp.com | $2.95 |
| 16581 | Emergency Solar Hand-Crank Radio Flashlight | xUmp.com | $32.95 |
| 13555 | Emergency Space Blanket | xUmp.com | $1.79 |
| 17262 | Emergency Water-Powered Lamp | | $19.95 |
| 16196 | Emoji Big Button Magnets | Dowling Magnets | $5.99 |
| 16470 | Enamelled Copper Wire - 0.1mm 15m | xUmp.com | $1.59 |
| 16903 | Enamelled Copper Wire - 0.3mm 10m - Electro-Magnet Wire | xUmp.com | $1.95 |
| 16553 | Enamelled Copper Wire - 0.5mm 10m | xUmp.com | $7.99 |
| 16552 | Enamelled Copper Wire - 1mm 100g 12m | xUmp.com | $10.50 |
| 10612 | Energy Ball | xUmp.com | $4.95 |
| 16739 | Energy Transfer Balls - Set of 2 | xUmp.com | $36.95 |
| 13983 | Equal Mass Science Set | xUmp.com | $12.99 |
| 16406 | Equilateral Acrylic Prism - 1 x 2 inches | xUmp.com | $3.99 |
| 16405 | Equilateral Glass Prism - 1 x 2 inches | xUmp.com | $4.49 |
| 14477 | Equilateral Glass Refraction Prism 75 x 9 mm | xUmp.com | $4.25 |
| 10869 | Equilateral Optical Glass Prism - 25 x 75 mm | xUmp.com | $5.95 |
| 17372 | EU to US Wall Plug Adapter | | $0.79 |
| 15797 | Eureka Ball | Creative Whack | $37.50 |
| 16725 | Evaporating Dish 150ml | xUmp.com | $2.95 |
| 15381 | Explore Geology - 24 Rocks & Minerals Set | xUmp.com | $13.95 |
| 13155 | Extraordinary Ordinary Prepared Slide Set | C & A Scientific | $9.99 |
| 16649 | Faceted High Grade Iron Pyrite 2-3 inch Chunk | xUmp.com | $29.95 |
| 16476 | Fan Micro Car DIY STEM Kit | xUmp.com | $4.95 |
| 16542 | Fan Propeller with Soft Blades | xUmp.com | $0.49 |
| 15785 | Fanimals - LED Light-up Hand-held Fan | Toysmith | $16.95 |
| 17115 | Fast USB Charger Adapter - 5V 2A | xUmp.com | $3.29 |
| 17150 | Female Banana Socket Terminals - 4mm - Black and Red Pair | xUmp.com | $1.79 |
| 17083 | Ferrite Core Ring 22 x 14 x 8mm | xUmp.com | $0.89 |
| 17180 | Ferrofluid Science Lab Kit | | $19.95 |
| 13347 | Fiery Mood Ring | Geocentral | $3.99 |
| 17229 | Fine Iron Filings - 500g bottle | | $9.95 |
| 13434 | Fire Syringe | xUmp.com | $19.99 |
| 16862 | Fitzroy Storm Glass - 11 inch tall | Heebie Jeebies | $23.95 |
| 13791 | Flame Salts Chemstry Set | Winsco | $99.95 |
| 16350 | Flashing LED Circuit DIY Electronics Kit | xUmp.com | $2.50 |
| 12254 | Flashing Neutron Ball | Toysmith | $5.49 |
| 14624 | Flask Electroscope for Electrostatic Experiments | xUmp.com | $12.95 |
| 15816 | Flask Stand - Polypropylene | xUmp.com | $7.95 |
| 14102 | Flat Aluminum Electrode | xUmp.com | $0.99 |
| 14071 | Flat Carbon Electrode | xUmp.com | $3.95 |
| 14069 | Flat Copper Electrode | xUmp.com | $2.95 |
| 17148 | Flat Head Micro Precision Screwdrivers - 10 pack 45mm 1.5mm | xUmp.com | $2.49 |
| 15672 | Flat Iron Electrode | xUmp.com | $1.29 |
| 16662 | Flat Nickel-Plated Electrode | xUmp.com | $2.95 |
| 14072 | Flat Pure Nickel Electrode | xUmp.com | $8.95 |
| 14070 | Flat Zinc Electrode | xUmp.com | $1.99 |
| 15909 | Flexible Clamp | xUmp.com | $34.95 |
| 14909 | Flexinol MuscleWire - 70 deg C - 1m | xUmp.com | $5.99 |
| 13987 | Flint Dropper Bottle - 1oz Single | xUmp.com | $1.99 |
| 16156 | Flip Sand Art - Black and White | xUmp.com | $29.95 |
| 17061 | Flip Sand Art - Blue and White | xUmp.com | $29.95 |
| 13390 | Floating Colors Timer | xUmp.com | $5.95 |
| 10230 | Floating Magnet Rings Kit | Dowling Magnets | $7.95 |
| 13157 | Flower Power Prepared Slide Set | C & A Scientific | $9.99 |
| 13790 | Fluorescent Liquids Set | Winsco | $84.95 |
| 14236 | Fluorescent Minerals Collection - Short and Long Wave | xUmp.com | $59.00 |
| 12300 | Fluorite - Bulk Mineral | Geocentral | $1.95 |
| 11602 | Flying Screaming Sling-Shot Monkey | xUmp.com | $7.95 |
| 14126 | Folding Binoculars | Toysmith | $8.95 |
| 14075 | Force and Reaction Fan Car | xUmp.com | $17.99 |
| 13431 | Force Table - Physics Classroom Demo | xUmp.com | $209.00 |
| 16733 | Fossil Hunt Geology Kit | xUmp.com | $34.95 |
| 14237 | Fossil Starter Bag | xUmp.com | $19.95 |
| 16568 | Fossils Excavation Mini Kit | Geocentral | $4.95 |
| 10127 | Fresnel Lens Magnifier Sheet | xUmp.com | $1.99 |
| 17146 | Frosted E10 LED Light Bulb - Blue - 4.5V 0.06W | xUmp.com | $1.29 |
| 15764 | Fuchsite - Large Chunk (2-3 inch) | xUmp.com | $14.95 |
| 16255 | Galena - Large Chunk (2-3 inch) | | $10.95 |
| 16858 | Galileo Thermometer - 11 inch tall | Heebie Jeebies | $22.95 |
| 16859 | Galileo Thermometer - 17 inch tall | Heebie Jeebies | $45.00 |
| 16928 | Gas Generating Bottle - 250 mL | xUmp.com | $17.95 |
| 14836 | Gas Law Apparatus | xUmp.com | $119.00 |
| 17037 | Geared DC Motor 130 3V-12V - for DIY Car and Robot Projects | xUmp.com | $1.79 |
| 15866 | Geared DC Motor and Toy Car Wheel Set | xUmp.com | $5.99 |
| 17370 | Geared DC Motor with Cable - Arduino DIY - Dual Shaft 200RPM | | $3.29 |
| 16655 | Geared Micro DC Motor N20 - 60RPM 6V | xUmp.com | $5.99 |
| 16791 | Gel Ant Habitat with LED Lights | xUmp.com | $29.95 |
| 14025 | Gems of the USA | Copernicus Toys | $7.95 |
| 15169 | General Fossil Collection | xUmp.com | $32.95 |
| 14598 | Genuine Meteorite - Large 40g Chunk | xUmp.com | $59.99 |
| 14599 | Genuine Meteorite Necklace | xUmp.com | $22.95 |
| 14209 | Genuine Meteorites - Small 3g | xUmp.com | $15.95 |
| 17238 | Genuine Shark Tooth Fossil Educational Box | | $5.95 |
| 17236 | Genuine Turquoise Nugget Educational Box | | $9.95 |
| 16390 | GeoCentral Crystals Science Kit | Geocentral | $14.95 |
| 16389 | GeoCentral Fossils Science Kit | Geocentral | $14.95 |
| 14777 | GeoCentral Rock Science Kit | Geocentral | $14.95 |
| 11418 | Geometry 2 Study Chart | BarCharts | $4.99 |
| 16827 | Giant Metal Spring - 3.75 inch diameter | xUmp.com | $9.95 |
| 15547 | Giant Solar Balloon - 50 feet | Tedco | $18.99 |
| 15687 | Glass Alcohol Thermometer - Dual C/F Scale | xUmp.com | $5.95 |
| 17077 | Glass Alcohol Thermometer 6 inch -10C-110C | xUmp.com | $2.95 |
| 13607 | Glass Beads | xUmp.com | $12.00 |
| 14275 | Glass Beaker - 1000ml | xUmp.com | $6.50 |
| 14274 | Glass Beaker - 100ml | xUmp.com | $2.29 |
| 13060 | Glass Beaker - 250ml | xUmp.com | $2.95 |
| 16244 | Glass Beaker - 50ml | xUmp.com | $2.19 |
| 13061 | Glass Beaker - 600ml | xUmp.com | $3.99 |
| 14254 | Glass Beaker Mug - 400ml | xUmp.com | $12.50 |
| 14282 | Glass Boiling Flask - 1000ml | xUmp.com | $15.99 |
| 14279 | Glass Boiling Flask - 100ml | xUmp.com | $3.49 |
| 14280 | Glass Boiling Flask - 250ml | xUmp.com | $4.99 |
| 14281 | Glass Boiling Flask - 500ml | xUmp.com | $5.99 |
| 16548 | Glass Boiling Flask - Round Bottom - 1000ml | xUmp.com | $12.99 |
| 16546 | Glass Boiling Flask - Round Bottom - 250ml | xUmp.com | $3.95 |
| 16547 | Glass Boiling Flask - Round Bottom - 500ml | xUmp.com | $5.95 |
| 15353 | Glass Burette - 25ml | xUmp.com | $24.95 |
| 15354 | Glass Burette - 50ml | xUmp.com | $29.95 |
| 14276 | Glass Erlenmeyer Flask - 100ml | xUmp.com | $2.95 |
| 13058 | Glass Erlenmeyer Flask - 250ml | xUmp.com | $4.95 |
| 13059 | Glass Erlenmeyer Flask - 500ml | xUmp.com | $6.25 |
| 14362 | Glass Erlenmeyer Mug - 400ml | xUmp.com | $12.50 |
| 13068 | Glass Eye Dropper | xUmp.com | $0.95 |
| 15891 | Glass Eye Droppers - 12 pack | xUmp.com | $7.95 |
| 15365 | Glass Filtering Flask - 1000ml | xUmp.com | $24.99 |
| 15363 | Glass Filtering Flask - 250ml | xUmp.com | $10.99 |
| 15364 | Glass Filtering Flask - 500ml | xUmp.com | $16.95 |
| 17201 | Glass Graduated Cylinder - 1000ml | | $27.95 |
| 13062 | Glass Graduated Cylinder - 100ml | xUmp.com | $5.39 |
| 14278 | Glass Graduated Cylinder - 250ml | xUmp.com | $7.99 |
| 17132 | Glass Graduated Cylinder - 25ml | | $2.99 |
| 13063 | Glass Graduated Cylinder - 500ml | xUmp.com | $10.99 |
| 16243 | Glass Graduated Cylinder - 50ml | xUmp.com | $3.99 |
| 15350 | Glass Lens & Prisms Set | xUmp.com | $32.50 |
| 10877 | Glass Lens Set, Set of 6 | xUmp.com | $17.95 |
| 15681 | Glass Mirror - 4 x 4 inches | xUmp.com | $1.79 |
| 16246 | Glass Pipette MOHR - 10ml | xUmp.com | $1.99 |
| 15696 | Glass Plates - 10 pack | xUmp.com | $39.95 |
| 15369 | Glass Separatory Funnel - 100ml | xUmp.com | $22.95 |
| 15370 | Glass Separatory Funnel - 250ml | xUmp.com | $24.99 |
| 16448 | Glass Stir Rod - 6 inch | xUmp.com | $0.49 |
| 16722 | Glass Stir Rod - 8 inch | xUmp.com | $0.69 |
| 13067 | Glass Test Tube | xUmp.com | $0.79 |
| 15685 | Glass Tubing Cutter | xUmp.com | $11.99 |
| 15367 | Glass Volumetric Flask - 100ml | xUmp.com | $7.95 |
| 15366 | Glass Volumetric Flask - 50ml | xUmp.com | $5.99 |
| 17164 | Gloveworks Black Nitrile Industrial Latex-Free Disposable Gloves - Box of 100 | | $21.95 |
| 16478 | Glow Crystal Growing 4M Kit | 4M | $9.95 |
| 17188 | Glow Planets and 20 Nova Stars Set | | $7.95 |
| 14976 | Glow Skeleton T-Shirt | xUmp.com | $9.95 |
| 10547 | Glowing Gel Experiment Kit | Copernicus Toys | $19.95 |
| 14633 | Glow-in-the-Dark Rock | Geocentral | $1.95 |
| 15753 | Golden Mica with Tourmaline - Large Chunk (2-3 inch) | xUmp.com | $24.95 |
| 15979 | Goniatite - 2 inch Real Fossil | xUmp.com | $12.95 |
| 15358 | Graham Condenser | xUmp.com | $29.95 |
| 17211 | Grain of Wheat Light Bulb - 1.5V | | $0.39 |
| 16678 | Gravitrax Starter Set - STEM Marble Run with VR | Gravitrax | $59.95 |
| 15447 | Gravitron Gyro | Tedco | $9.95 |
| 16118 | Green Cotton Pulley Thread - 15m | xUmp.com | $3.99 |
| 13815 | Green Laser Pointer | xUmp.com | $19.00 |
| 13482 | Green Laser Pointer - Silver | xUmp.com | $29.95 |
| 16875 | Green Neon Bulb - 6mm x 16mm - for Electro-Static Experiments | xUmp.com | $1.95 |
| 15973 | Green Rose Chafer Beetle - Small Specimen | Real Insect | $3.99 |
| 12661 | Green Rose Chafer Specimen in Acrylic Block | | $5.95 |
| 16375 | Green Slag - Large Chunk (2-3 inch) | xUmp.com | $3.99 |
| 17112 | Green USB Power Bank - 2600mAh 5V 1A | | $7.95 |
| 16665 | GreenLine Single Pole Double Throw Knife Switch | xUmp.com | $1.59 |
| 17182 | Growing Crystals - Complete Mini Kit | Toysmith | $4.95 |
| 16728 | Growing Rock Crystals | xUmp.com | $9.95 |
| 10975 | Gypsum Rosettes - Bulk Mineral | Geocentral | $1.95 |
| 17315 | Halls Carriage - Physics Classroom Demo | | $7.95 |
| 10876 | Hand Held DC Generator | xUmp.com | $14.00 |
| 16939 | Hand Vacuum Pump - without gauge | xUmp.com | $26.95 |
| 17215 | Hand-Crank Generator DIY STEM Kit | | $4.95 |
| 10166 | Handheld UV Light | xUmp.com | $7.95 |
| 16746 | Happy and Sad Balls - Collisions Demo | xUmp.com | $6.59 |
| 15145 | Harbottle Apparatus | xUmp.com | $22.95 |
| 14408 | Hard Hat - Head Protection | xUmp.com | $9.95 |
| 12465 | Hatchin Grow Dino | Toysmith | $6.49 |
| 17281 | Heart Mood Ring with Adjustable Size Band | | $1.79 |
| 10875 | Heat Conductometer | xUmp.com | $17.95 |
| 16789 | Heat Mantle - for Laboratory Use | xUmp.com | $129.95 |
| 14244 | Helium Spectrum Discharge Tube | xUmp.com | $22.95 |
| 15774 | Heros Engine Flask | xUmp.com | $41.95 |
| 17335 | Hobby Solar Cell - 3V 150mA 60x60mm | | $3.25 |
| 16608 | Hoberman Mini Sphere - Expanding Universe Glow | Hoberman | $16.95 |
| 13948 | Hoberman Original Mini Sphere | Hoberman | $18.95 |
| 12538 | Hoberman Sphere - Universe Glow | Hoberman | $39.95 |
| 14835 | Hoffman Screw Clamp for Chemistry Lab | xUmp.com | $2.95 |
| 16550 | Hook Collar Clamp | xUmp.com | $3.29 |
| 13549 | Hook Magnet - 8lb Pull | xUmp.com | $2.79 |
| 15852 | Hooked Brass Weight - 100g | xUmp.com | $6.95 |
| 15851 | Hooked Brass Weight - 50g | xUmp.com | $4.95 |
| 16966 | Hookes Law Spring set | xUmp.com | $8.99 |
| 13415 | Hook-Up Wire on Spool - Black | Elenco | $2.99 |
| 13416 | Hook-Up Wire on Spool - Red | Elenco | $2.99 |
| 15674 | Horizontal Cast and Collision Tester | xUmp.com | $59.95 |
| 16970 | Horizontal Hand Boiler | xUmp.com | $9.95 |
| 15650 | Hot Plate - 6 inch 1000W | xUmp.com | $25.95 |
| 14157 | Hot Plate with Magnetic Stirrer | xUmp.com | $179.00 |
| 15338 | How Clean is the Water? Kit | xUmp.com | $49.00 |
| 10867 | Human Brain Model | xUmp.com | $49.95 |
| 15235 | Human Kidney Anatomy Model | xUmp.com | $44.95 |
| 10880 | Human Skull Biology Model | xUmp.com | $54.95 |
| 16933 | Human Torso Model with 15 Removable Parts - 10 inch tall | xUmp.com | $39.00 |
| 14249 | Hydrogen Spectrum Discharge Tube | xUmp.com | $22.95 |
| 16370 | Ice Calcite - Large Chunk (2-3 inch) | xUmp.com | $3.95 |
| 15773 | Ice Melting Kit | xUmp.com | $35.95 |
| 17118 | ICR 18650 Blue Lithium-Ion Rechargeable Battery - 3.7V 2600mAh | xUmp.com | $4.99 |
| 17117 | ICR 18650 Green Flat-Top Lithium-Ion Cell Rechargeable Battery - 3.7V 2600mAh | xUmp.com | $4.95 |
| 16729 | Igneous Rock Bag - 6pcs | xUmp.com | $10.95 |
| 14933 | Illuminated LED Loupe | xUmp.com | $6.99 |
| 15605 | Illuminated Mini 16X Microscope | xUmp.com | $7.50 |
| 16738 | Impact Safety Goggles - Indirect Ventilation | xUmp.com | $6.95 |
| 14829 | Inclined Plane - Physics Classroom Demo | xUmp.com | $65.00 |
| 13156 | Incredible Edible Plants Prepared Slide Set | C & A Scientific | $9.99 |
| 17005 | Infinite Fidget Cube | xUmp.com | $5.95 |
| 14406 | Inflatable Pillow | xUmp.com | $2.95 |
| 10508 | Inflatable World Globe - 12in | xUmp.com | $2.00 |
| 16909 | In-Line USB Voltage and Current Meter 3.3-18V 0-3A | xUmp.com | $5.99 |
| 16745 | Insulating Dough 10oz | xUmp.com | $15.95 |
| 15315 | Interplanetary Tattoos | Copernicus Toys | $7.95 |
| 16571 | Intllab Magnetic Stirrer MS-500 | xUmp.com | $54.95 |
| 10570 | Inventors Playing Cards | xUmp.com | $7.95 |
| 16409 | Invisible Ink Pen and UV Light | xUmp.com | $1.19 |
| 10153 | Iron Filings - 12oz Bottle | Dowling Magnets | $7.95 |
| 13757 | Iron Filings Case | xUmp.com | $2.15 |
| 17122 | Iron Filings Variety Pack | Dowling Magnets | $14.95 |
| 17050 | iShield Disposable Face Shield | | $3.49 |
| 12255 | IsoFlex Ball | Toysmith | $7.95 |
| 10421 | Jacob's Ladder | Toysmith | $5.95 |
| 17303 | JST Connector CR2032 Lithium Battery with Wire Leads (CMOS) | | $2.79 |
| 16412 | Jumbo Glitter Poppin Hopper | Toysmith | $1.95 |
| 13758 | Jumbo Magnetic Marbles - set of 5 | xUmp.com | $4.75 |
| 15781 | Jumbo Spiral Glitter Wand | Toysmith | $9.95 |
| 10436 | Kaleidoscope Making 4M Kit | 4M | $13.95 |
| 13829 | Keychain Magnifier | xUmp.com | $2.19 |
| 15986 | Kids First Physics Lab Kit | Thames & Kosmos | $39.00 |
| 13793 | Kids Pi Math T-Shirt | xUmp.com | $9.95 |
| 15957 | KidzLabs 4M Crystal Science Kit | 4M | $13.95 |
| 17191 | KidzLabs: Magnetic Car Racer | | $6.95 |
| 13775 | Kilovoltron Van de Graaff Generator | Winsco | $329.95 |
| 17175 | KingSeal Nitrile Exam Gloves - LARGE - Box of 100 | | $19.95 |
| 17029 | KingSeal Nitrile Exam Gloves - MEDIUM - Box of 100 | | $19.95 |
| 17174 | KingSeal UltraBlack Nitrile Medical Grade Gloves - Box of 100 | | $19.95 |
| 16545 | Kjeldahl Bulb with Stoppers | xUmp.com | $14.99 |
| 13854 | Knife Switch - Double Pole Double Throw | xUmp.com | $3.49 |
| 15149 | Knife Switch - Single Pole Double Throw | xUmp.com | $2.49 |
| 14247 | Krypton Spectrum Discharge Tube | xUmp.com | $22.95 |
| 14256 | Laboratory Counter / Timer | xUmp.com | $8.49 |
| 14874 | Laboratory Gyroscope | xUmp.com | $29.95 |
| 17403 | Laboratory Scissor Jack - Blue Enamel | | $37.00 |
| 14855 | Laboratory Scissor Jack - Stainless Steel | xUmp.com | $49.00 |
| 14812 | Laboratory Vacuum Pump, 110V | xUmp.com | $209.00 |
| 16646 | Labradorite Chunk - 1 inch with One Polished Side | xUmp.com | $5.95 |
| 14035 | Lamp Board - 5 lamps | xUmp.com | $19.95 |
| 13702 | Large DNA Model - Classroom Demo | xUmp.com | $109.95 |
| 16792 | Large Infinity Mirror - Optics Demo | xUmp.com | $59.95 |
| 14936 | Large Plastic Vernier Calipers | xUmp.com | $1.49 |
| 16767 | Laser Pointer Holder Clamp - 16mm | xUmp.com | $19.99 |
| 16554 | Laser Ray Box - 3 Red Beams | xUmp.com | $34.95 |
| 17162 | LAVA-Nado Vortex Generator DIY Kit | | $24.95 |
| 15129 | Lazer Fingers | Toysmith | $3.99 |
| 14788 | Lead-Free Solder Spool - 100g | Velleman | $14.99 |
| 13955 | LED - Green 5mm 565nm 2.6V | xUmp.com | $0.29 |
| 13956 | LED - Red 5mm 635nm 2.6V | xUmp.com | $0.29 |
| 14646 | LED Pocket Microscope 20x - 40x | xUmp.com | $24.95 |
| 14784 | LEDs Set - Assorted 80pcs | Velleman | $14.95 |
| 14617 | Lemon Clock | Toysmith | $6.95 |
| 14638 | Lenz Law Copper Tube | xUmp.com | $18.99 |
| 15766 | Lepidolite - Large Chunk (2-3 inch) | xUmp.com | $19.95 |
| 13978 | Leyden Jar - Separable | xUmp.com | $14.95 |
| 16923 | Liebig Condenser - 200mm | xUmp.com | $11.99 |
| 16538 | Life Cycle of Cabbage Butterfly - Real Specimen | Real Insect | $49.95 |
| 16537 | Life Cycle of Honeybee - Real Specimen | Real Insect | $49.95 |
| 15937 | Life Cycle of Silkworm - Real Specimen | Real Insect | $19.95 |
| 10866 | Life-Size Human Heart Model | xUmp.com | $45.00 |
| 11958 | Life-Size Human Skeleton | xUmp.com | $399.95 |
| 13532 | Light Crystal Prism - Large | Tedco | $15.95 |
| 16632 | Light-Up Mini Marquee | Schylling | $12.95 |
| 16637 | Light-Up Speech Bubble Message Board | xUmp.com | $17.95 |
| 13158 | Lily Pad Leap Prepared Slide Set | C & A Scientific | $9.99 |
| 17252 | LilyPad Button Board Switch | | $1.49 |
| 17254 | LilyPad Buzzer | | $2.59 |
| 17371 | LilyPad Conductive Thread - 10m | | $5.95 |
| 17253 | LilyPad LED - Tri-Color RGB | | $1.95 |
| 17251 | LilyPad LED Blue - 5pcs | | $2.29 |
| 17250 | LilyPad LED White - 5pcs | | $2.29 |
| 17295 | LilyPad Slide Switch | | $1.15 |
| 16327 | Line Tracking Car DIY Electronics Kit | xUmp.com | $9.95 |
| 17053 | Liquid Crystal Forehead Thermometer Strip | xUmp.com | $0.79 |
| 15589 | Liquid Crystal Thermometer Stickers - 5 pack | xUmp.com | $5.99 |
| 15596 | Liquid Filled Compass - 1.75 inch | xUmp.com | $0.95 |
| 17401 | Litmus Blue Test Paper - 100 strips | | $1.35 |
| 17402 | Litmus Red Test Paper - 100 strips | | $1.35 |
| 15472 | Lodestone Chunk - Automagnetised Magnetite | xUmp.com | $3.99 |
| 16119 | Long Metal Coil Spring - Extends to 30 feet | xUmp.com | $15.99 |
| 17202 | Long-horned Beetle Specimen in Acrylic Block | | $5.95 |
| 16936 | Loop The Loop Track | xUmp.com | $29.95 |
| 13792 | Lucite Light Rod - For Fiberoptics Demos | Winsco | $34.95 |
| 16099 | Lunar Light Show | Toysmith | $24.95 |
| 15847 | Luster Rocks Kit | xUmp.com | $23.99 |
| 16068 | MaBoRun - Amazing Combo | MaBoRun | $29.95 |
| 16072 | MaBoRun - Mini Tornado | MaBoRun | $14.95 |
| 13429 | Magdeburg Hemispheres | xUmp.com | $6.99 |
| 16095 | Magic Loops | Toysmith | $6.49 |
| 15526 | Magic Rocks | Toysmith | $6.49 |
| 16392 | Magic Sunset Eggs | Geocentral | $4.95 |
| 14620 | Magleads - Black (set of 10) | xUmp.com | $15.95 |
| 14621 | Magleads - Red (set of 10) | xUmp.com | $15.95 |
| 17158 | Magma - Squishy Light-Up Meteorite Ball | | $5.49 |
| 14897 | Magnet Science 4M Kit | 4M | $13.95 |
| 10261 | Magnet Strip Hold Its | Dowling Magnets | $0.79 |
| 16454 | Magnetic Ferrofluid Display | xUmp.com | $26.95 |
| 16529 | Magnetic Field Cube | xUmp.com | $35.00 |
| 14626 | Magnetic Field Model | xUmp.com | $39.99 |
| 10441 | Magnetic Gyro-Fly Wheel | Toysmith | $4.95 |
| 16793 | Magnetic Iron Filings Saver | xUmp.com | $8.95 |
| 17366 | Magnetic LCD Digital Timer and Stopwatch | | $2.95 |
| 16563 | Magnetic Levitating Globe | xUmp.com | $95.00 |
| 13698 | Magnetic Levitator - Classic | Toysmith | $15.95 |
| 17054 | Magnetic Linear Accelerator | xUmp.com | $49.95 |
| 16723 | Magnetic Lines of Force Viewer | xUmp.com | $22.95 |
| 15828 | Magnetic Match Rings | xUmp.com | $14.95 |
| 14913 | Magnetic Metal Clips - set of 4 | xUmp.com | $2.99 |
| 16735 | Magnetic Putty with Neo Magnet | xUmp.com | $12.95 |
| 13715 | Magnetic Rings and Stand Set | xUmp.com | $3.25 |
| 15726 | Magnetic Sand Timer | xUmp.com | $9.85 |
| 16397 | Magnetic Sphere with Iron Filings Kit | xUmp.com | $15.99 |
| 10534 | Magnetic Wand | Dowling Magnets | $2.49 |
| 13849 | Magnifying Bug Viewer | xUmp.com | $4.50 |
| 17227 | Make Your Own Bounce Ball Kit | | $3.19 |
| 13982 | Mass Force Demo Science Kit | xUmp.com | $12.99 |
| 15258 | Math Magic 4M Kit | 4M | $13.95 |
| 10882 | Maxwells Wheel - Large | xUmp.com | $52.00 |
| 14141 | Measuring Plastic Jug with Handle | xUmp.com | $2.99 |
| 16121 | Measuring Tape - 10 pack - 60inch 150cm | xUmp.com | $4.99 |
| 17224 | Mega Experiment Chemistry Lab Kit | | $19.95 |
| 16815 | Mega MaboRun - 236pcs Marble Run Kit | MaBoRun | $75.00 |
| 16734 | Metal Disc Set - 8 Metals - Stamped 1inch | xUmp.com | $8.95 |
| 11682 | Metal Jax and Ball Set | Toysmith | $9.95 |
| 15602 | Metal Vernier Caliper - 6inch/150mm | xUmp.com | $12.95 |
| 16615 | Metallic Minerals Science Kit | xUmp.com | $11.95 |
| 16730 | Metamorphic Rock Bag - 6pcs | xUmp.com | $9.95 |
| 16635 | Meteorite Outer Space Excavation Kit | xUmp.com | $4.95 |
| 16321 | Micro Speaker - 8ohm 1W with leads | xUmp.com | $2.09 |
| 17393 | Micro Vibration Button Motor with Adhesive - 3V - 10mm x 3.5mm | | $0.95 |
| 16526 | Micro Vibration Motor - 1.5V 6x12mm | xUmp.com | $1.17 |
| 13606 | Microscope Cover Glass - 22x22mm 100pcs | xUmp.com | $1.99 |
| 17312 | Micro-USB to USB 2.0 Adapter | | $0.95 |
| 14613 | Mighty Magnet Set | Toysmith | $13.95 |
| 14711 | Military Prismatic Compass | | $12.50 |
| 15084 | Mind Twisters - Set of 6 Wire Puzzles | xUmp.com | $4.29 |
| 13218 | Mineral Science Kit | Toysmith | $14.95 |
| 14232 | Mineral Test Kit | xUmp.com | $11.95 |
| 17388 | Mini Adjustable Digital USB Power Supply - 1V-24V 3W | | $9.95 |
| 16905 | Mini COB Bulb - Blue - E10 3VDC 0.18W | xUmp.com | $1.29 |
| 16906 | Mini COB Bulb - Green - E10 3VDC 0.18W | xUmp.com | $1.29 |
| 16907 | Mini COB Bulb - Red - E10 3VDC 0.18W | xUmp.com | $1.29 |
| 16904 | Mini COB Bulb - White - E10 3VDC 0.18W | xUmp.com | $1.29 |
| 16693 | Mini COB Spotlight Bulb - E10 3VDC 0.5W White | xUmp.com | $1.49 |
| 13975 | Mini DC Motor with Leads | xUmp.com | $3.25 |
| 16689 | Mini Digital 2-in-1 Voltmeter Ammeter - 100V 10A | xUmp.com | $4.99 |
| 17081 | Mini Digital Voltmeter - 0V-30V - 3-Wire | xUmp.com | $1.95 |
| 14127 | Mini Dinosaur Excavation Kit | Toysmith | $5.00 |
| 15848 | Mini E10 Bulb Socket with Terminals - Pack of 10 | xUmp.com | $3.49 |
| 15673 | Mini E10 Lamp Holder with Springs | xUmp.com | $2.39 |
| 13974 | Mini E10 Lamp Receptacle | xUmp.com | $1.29 |
| 17205 | Mini Electromagnet Solenoid Coil | | $1.25 |
| 15868 | Mini Electronics Breadboard | xUmp.com | $2.29 |
| 17036 | Mini Electronics Breadboards - Set of 6 | xUmp.com | $2.95 |
| 15700 | Mini Folding Scissors | xUmp.com | $1.29 |
| 17181 | Mini Galileo Thermometer - 6 inch tall | | $14.95 |
| 14665 | Mini Hobby Speaker - 2 inch 4 Ohms | xUmp.com | $2.29 |
| 16760 | Mini Hobby Speaker - Flat 36mm 8ohm 0.5W | xUmp.com | $1.49 |
| 11109 | Mini Knife Switch - Single | xUmp.com | $1.69 |
| 17090 | Mini LCD Thermometer and Hygrometer | xUmp.com | $2.95 |
| 16694 | Mini LED Conelight Bulb - E10 3VDC White | xUmp.com | $1.29 |
| 16486 | Mini LED Light Bulb - Blue - 3V DC E10 0.06W | xUmp.com | $1.29 |
| 16487 | Mini LED Light Bulb - Green - 3V DC E10 0.06W | xUmp.com | $1.29 |
| 16488 | Mini LED Light Bulb - Red - 3V DC E10 0.06W | xUmp.com | $1.29 |
| 16485 | Mini LED Light Bulb - White - 3V DC E10 0.06W | xUmp.com | $1.29 |
| 16489 | Mini LED Light Bulb - Yellow - 3V DC E10 0.06W | xUmp.com | $1.29 |
| 16323 | Mini LED Microscope 160X-200X | xUmp.com | $8.95 |
| 16484 | Mini Light Bulb Holder - E10 with wire leads | xUmp.com | $1.29 |
| 11108 | Mini Lightbulbs - 1.5-3V E10 - Pack of 10 | xUmp.com | $2.49 |
| 16967 | Mini Lightbulbs - 6.3V E10 - Pack of 10 | xUmp.com | $3.59 |
| 17060 | Mini Liquid Compass - 1 inch (25mm) - Pack of 10 | xUmp.com | $3.50 |
| 16309 | Mini Liquid Compass - 20mm - Pack of 10 | xUmp.com | $3.95 |
| 16117 | Mini Magnetic Pole Finder | xUmp.com | $5.95 |
| 17324 | Mini Neon Bulb - 6mm x 12mm - 5 Color Options | | $0.49 |
| 17082 | Mini Phillips Screwdriver - 3mm - 12cm Long | xUmp.com | $0.69 |
| 17352 | Mini Phillips Screwdriver for DIY Hobby Projects | | $0.15 |
| 13558 | Mini Plastic Vernier Calipers | xUmp.com | $0.95 |
| 16527 | Mini Ripple Tank - Physics Classroom Demo | xUmp.com | $139.99 |
| 16884 | Mini Tesla Coil with 9V Power Adapter | xUmp.com | $29.95 |
| 17332 | Mini Water Pump - USB-Powered | | $5.95 |
| 14786 | Miniature Relay | Velleman | $1.79 |
| 17218 | Mini-Crystal Growing Kit with Granite Base Rock | | $3.19 |
| 15907 | Modular AA Battery Holders - Block of 4 | xUmp.com | $5.95 |
| 13408 | Modular D Battery Holder - 1.5V | xUmp.com | $1.69 |
| 16798 | MOLEX Connector CR2032 Battery with Wire Leads (CMOS) | xUmp.com | $2.79 |
| 16034 | Momentary Push-Button Switch with Leads | xUmp.com | $1.99 |
| 14898 | Money Safe 4M Kit | 4M | $18.50 |
| 11686 | Mood Mudd | Toysmith | $6.49 |
| 16471 | Mood Ring | xUmp.com | $1.29 |
| 14680 | Mosasaur Dino Tooth | xUmp.com | $7.95 |
| 16238 | Mosasaur Teeth Composition | xUmp.com | $99.95 |
| 16650 | Mosasaurus Fossil Tooth in Matrix - Large | xUmp.com | $19.99 |
| 15754 | Moscovite Mica - Large Chunk (2-3 inch) | xUmp.com | $25.95 |
| 16796 | Motorized Robotic Arm 4M Kit | 4M | $18.95 |
| 15071 | Moving Butterfly - Blue Morpho | xUmp.com | $29.99 |
| 15072 | Moving Butterfly - Monarch | xUmp.com | $29.99 |
| 15935 | Multifunction 60 SMD Flashlight | xUmp.com | $7.95 |
| 15198 | Multi-Function Survival Tool | xUmp.com | $1.79 |
| 16534 | Multi-Purpose Test Support Set | xUmp.com | $85.00 |
| 14903 | MuscleWire Demo Spring | xUmp.com | $9.99 |
| 14905 | MuscleWires Monster Moving Hand Kit | xUmp.com | $34.95 |
| 14904 | MuscleWires Project Book and Sample Kit | xUmp.com | $27.00 |
| 16097 | Mystery Fire - Flame Color Salt | Toysmith | $2.95 |
| 16387 | N50 Neodymium Bar Magnet - 50x10x5mm | xUmp.com | $4.99 |
| 16388 | N50 Neodymium Cube Magnet - 10x10x10mm | xUmp.com | $1.95 |
| 16385 | N50 Neodymium Disc Magnet - 10x3mm | xUmp.com | $0.99 |
| 16386 | N50 Neodymium Disc Magnet - 20x5mm | xUmp.com | $1.95 |
| 17026 | N95 FDA NIOSH Approved Makrite 9500 Respirator Face Mask - pack of 3 | | $17.95 |
| 16087 | Neon Bulb - 6mm x 16mm - for Electro-Static Experiments | xUmp.com | $0.59 |
| 14245 | Neon Spectrum Discharge Tube | xUmp.com | $22.95 |
| 13783 | Neon Wand for Electrostatic Experiments | Winsco | $79.00 |
| 15312 | Neutral Litmus Paper - 100 strips | xUmp.com | $1.29 |
| 15348 | Neutralization Lens Set | xUmp.com | $4.95 |
| 13886 | New York Demonstration Balance | xUmp.com | $45.95 |
| 15591 | Newtons Color Disc | xUmp.com | $39.95 |
| 10063 | Newtons Cradle - Large - 7 inches | xUmp.com | $24.95 |
| 10808 | Newtons Cradle - Regular - 5.5 inches | xUmp.com | $19.95 |
| 16876 | Nickel Metal Cube - 10mm 99.95 Pure | xUmp.com | $17.95 |
| 16952 | Niobium Metal Cube - 10mm 99.95 Pure | xUmp.com | $17.95 |
| 16342 | Nitinol Wire - 1ft | xUmp.com | $3.95 |
| 14250 | Nitrogen Spectrum Discharge Tube | xUmp.com | $22.95 |
| 11163 | Noise Putty | Toysmith | $4.95 |
| 17091 | Non-Hardening Modeling Clay - 2oz | xUmp.com | $1.79 |
| 15727 | Nostalgic Pack Gyroscope | Tedco | $9.95 |
| 12837 | Number Slide Puzzle | Toysmith | $3.75 |
| 15694 | Oceanic Fossils Set | xUmp.com | $6.95 |
| 14623 | Oersteds Law Apparatus | xUmp.com | $23.95 |
| 10435 | Old World Kaleidoscope | Toysmith | $9.95 |
| 17323 | Open DC Motor Demo Model with Propeller 3-6V | | $4.95 |
| 10968 | Optical Calcite - Bulk Mineral | Geocentral | $3.95 |
| 10544 | Optical Illusions Playing Cards | xUmp.com | $8.95 |
| 12472 | Oral Health and Hygiene Educational Anatomy Model | xUmp.com | $45.95 |
| 11199 | Orange Calcite - Bulk Mineral | Geocentral | $1.95 |
| 16371 | Orange Calcite - Large Chunk (2-3 inch) | xUmp.com | $3.99 |
| 16732 | Ores of Common Metals Kit - 15pcs | xUmp.com | $42.95 |
| 13531 | Original TEDCO Gyroscope - Retro Twin Pack | Tedco | $16.95 |
| 15981 | Orthoceras - 1 inch Real Fossil | xUmp.com | $3.95 |
| 14206 | Orthoceras Fossil in a Box | xUmp.com | $4.95 |
| 15345 | Overflow Can | xUmp.com | $8.49 |
| 15728 | Owl Puke Kit | Tedco | $18.95 |
| 14251 | Oxygen Spectrum Discharge Tube | xUmp.com | $22.95 |
| 17155 | Pack of 12 DC Motors 130 - 1.5V-6V | xUmp.com | $8.95 |
| 16795 | Paint Your Own Derby Racer Car | Toysmith | $8.95 |
| 17030 | Panasonic CR2032 CMOS Lithium Battery with Leads and MOLEX Connector | xUmp.com | $2.95 |
| 17189 | Paper Making Science STEAM 4M Kit | Toysmith | $13.95 |
| 15522 | Parafoil Kite | Toysmith | $8.29 |
| 16922 | Parallel Laser Ray Box - 5 Independent Beams | xUmp.com | $39.95 |
| 16443 | PCB Copper Board - 7x10cm | xUmp.com | $1.25 |
| 16432 | PCB Copper Prototype Board - 5x10cm | xUmp.com | $2.99 |
| 16713 | Peacock Ore - Large Chunk (2-3 inch) | xUmp.com | $17.95 |
| 14119 | Peg Game - Wooden Triangle Puzzle | Toysmith | $4.95 |
| 14916 | Peltier Thermo-Electric Cooling Module - 12V | xUmp.com | $4.99 |
| 15908 | Pendulum Wave Demo | xUmp.com | $49.00 |
| 15324 | Periodic Table Banner Pen | xUmp.com | $1.95 |
| 16954 | Periodic Table Banner Pens - 10 pack | xUmp.com | $15.00 |
| 15243 | Periodic Table Lamp | xUmp.com | $39.95 |
| 16861 | Periodic Table Magnets | | $13.95 |
| 15097 | Periodic Table Reference Cards - 10 pack | xUmp.com | $3.95 |
| 17398 | Periodic Table with Real Elements | | $49.95 |
| 10516 | Periscope | Toysmith | $21.95 |
| 10250 | Pet Tornado | Tedco | $5.49 |
| 13066 | Petri Dish - 100mm Glass | xUmp.com | $2.79 |
| 13065 | Petri Dish - 60mm Glass | xUmp.com | $1.49 |
| 13341 | Petrified Wood - Bulk Mineral | Geocentral | $1.95 |
| 17235 | Petrified Wood Educational Box | | $4.95 |
| 16307 | PH Meter Calibration Buffer Powder - 10 pack | xUmp.com | $4.99 |
| 15598 | pH Paper Test Strips - Book of 100 | xUmp.com | $1.19 |
| 16324 | PH TDS Temp 3-in-1 Digital Water Quality Tester | xUmp.com | $42.99 |
| 17149 | Phillips Head Micro Precision Screwdrivers - 10 pack 45mm 1.5mm | xUmp.com | $2.49 |
| 16271 | PhiTOP - Physics Spinning Top | PhiTop | $22.95 |
| 17177 | Phosphorescent Powder Test Tube - Glow in the Dark | | $5.39 |
| 17334 | Photo Sensor Switch - 220A 10A 2200W | | $9.95 |
| 16690 | Photoresistor GL5516 | xUmp.com | $0.29 |
| 16848 | Physics and Engineering - Educational Kit | Clementoni | $49.00 |
| 16826 | Physics Vortex Coin Bank | xUmp.com | $19.95 |
| 16864 | Pi Mug | Heebie Jeebies | $9.95 |
| 14657 | Pi-Day T-Shirt | xUmp.com | $9.95 |
| 13409 | Piezo Electronic Alarm Buzzer with Leads - 1.5V | xUmp.com | $1.59 |
| 14845 | Piezo Electronic Alarm Buzzer with Leads - 3V | xUmp.com | $1.59 |
| 15858 | Piezo Electronic Alarm Buzzer with Leads - 9V | xUmp.com | $1.59 |
| 17293 | Piezo Electronic Alarm Electronic Buzzer with Leads - 6V | | $1.59 |
| 10252 | Pin Art - Large - 7 inches | Toysmith | $24.95 |
| 17306 | Pink Dolomite Chunks - Pack of 10 | | $15.95 |
| 15983 | Pink Tourmaline in Quartz - Large Chunk (2-3 inch) | xUmp.com | $24.95 |
| 12268 | Pinky Ball | Toysmith | $3.19 |
| 13603 | Plain Microscope Slides - Pack of 12 | xUmp.com | $1.99 |
| 10873 | Plain Microscope Slides - Pack of 72 | C & A Scientific | $8.99 |
| 16979 | Plane Glass Mirror Strips - 2 x 6 inches - pack of 12 | xUmp.com | $24.95 |
| 13990 | Plastic Beaker - 250ml | xUmp.com | $1.59 |
| 13991 | Plastic Beaker - 500ml | xUmp.com | $2.79 |
| 10427 | Plastic Bubbles | Toysmith | $4.95 |
| 15360 | Plastic Erlenmeyer Flask - 250ml | xUmp.com | $5.49 |
| 15361 | Plastic Erlenmeyer Flask - 500ml | xUmp.com | $6.29 |
| 14158 | Plastic Magnifying Lens - Dual 3X 6X | xUmp.com | $0.89 |
| 14817 | Plastic Measuring Cylinder - 100mL | xUmp.com | $2.49 |
| 14818 | Plastic Measuring Cylinder - 250mL | xUmp.com | $4.95 |
| 14819 | Plastic Measuring Cylinder - 500ml | xUmp.com | $7.95 |
| 16343 | Plastic Nesting Beakers - Set of 8 | xUmp.com | $14.99 |
| 16457 | Plastic Petri Dish - 55mm | xUmp.com | $0.49 |
| 16942 | Plastic Petri Dish - 70mm - Single | xUmp.com | $0.59 |
| 16456 | Plastic Petri Dish - 85mm | xUmp.com | $0.79 |
| 16447 | Plastic Petri Dishes - 55mm - pack of 20 | xUmp.com | $9.49 |
| 16941 | Plastic Petri Dishes - 70mm - pack of 20 | xUmp.com | $12.95 |
| 16250 | Plastic Petri Dishes - 85mm - pack of 20 | xUmp.com | $14.99 |
| 13557 | Plastic Syringe - 20ml Non-Sterile | xUmp.com | $0.99 |
| 16490 | Plastic Vernier Calipers - 2pc Set | xUmp.com | $2.49 |
| 10258 | Plastic-Encased Block Magnet | Dowling Magnets | $1.49 |
| 10259 | Plastic-Encased Disc Magnet | Dowling Magnets | $1.39 |
| 13985 | Plexiglass Mirror - 3 x 2.5 inches - For Optics Experiments and School Craft Projects | xUmp.com | $2.49 |
| 14791 | PN2222A Transistor | xUmp.com | $0.19 |
| 13841 | Pocket Level Keychain | xUmp.com | $1.29 |
| 12256 | Pocket Star Finder | Toysmith | $8.95 |
| 16380 | Polished Fossil Coral | xUmp.com | $24.95 |
| 14031 | POP Toob | xUmp.com | $1.49 |
| 13492 | Pop-Up Butterfly Habitat | xUmp.com | $19.99 |
| 16927 | Porcelain Buchner Funnel - 100mm | xUmp.com | $8.39 |
| 14856 | Porcelain Buchner Funnel - 120ml 70mm | xUmp.com | $3.99 |
| 14482 | Porcelain Mortar and Pestle - 150mm | xUmp.com | $11.95 |
| 14481 | Porcelain Mortar and Pestle - 75mm | xUmp.com | $5.95 |
| 16677 | Portable Luggage Scale - up to 50kg/110lbs | xUmp.com | $7.95 |
| 16533 | Portable Micro Burner | xUmp.com | $49.99 |
| 17256 | Portable USB-Powered Soldering Iron - 5V 8W | | $9.50 |
| 14926 | Power Pro DC Adapter - 12V 1000mA | xUmp.com | $4.99 |
| 14242 | Power Supply for Spectrum Discharge Tubes | xUmp.com | $215.00 |
| 17057 | PPE Face Shields - Pack of 10 | | $19.95 |
| 12659 | Praying Mantis Specimen in Acrylic Block | Real Insect | $5.95 |
| 17336 | Precise Wire Stripper and Cutter Pliers -24AWG to 14AWG | | $6.95 |
| 17337 | Precision Diagonal Wire Cutting Pliers - 5 inch | | $5.95 |
| 15850 | Precision Weight Masses Set - 8 Pieces | xUmp.com | $8.95 |
| 15600 | Professional Solder Tip Cleaner | Velleman | $9.99 |
| 17200 | Projector of Magnetic Line of Force Kit | | $32.00 |
| 15770 | Pulley Table Clamp | xUmp.com | $8.95 |
| 15678 | Pulley with Table Clamp | xUmp.com | $10.99 |
| 16401 | Pumice - Bulk Mineral | xUmp.com | $1.95 |
| 17071 | PureLife ASTM Level 1 Earloop Face Masks - Pack of 50 | | $22.95 |
| 15048 | Purple Laser Pointer | xUmp.com | $19.00 |
| 16696 | Push-On Push-Off Micro Switch - 18x12mm | xUmp.com | $0.39 |
| 17313 | Pyramid Balancing Bird | | $3.95 |
| 10971 | Pyrite - Fools Gold - Bulk Mineral | xUmp.com | $1.95 |
| 15749 | Pyrolusite Geode | xUmp.com | $24.95 |
| 14045 | Quadruple Pulley | xUmp.com | $3.49 |
| 13661 | Quartz - Tumbled Bulk Mineral | xUmp.com | $1.49 |
| 17304 | Quartz Chalcedony Chunks - Pack of 10 | | $14.95 |
| 14635 | Quartz Cluster - Small | Geocentral | $1.95 |
| 15751 | Quartz Crystal Cluster - Large Chunk (2-3 inch) | xUmp.com | $19.95 |
| 15763 | Quartz Crystal Point - Large Chunk (1-2 inch) | xUmp.com | $17.95 |
| 10970 | Quartz Point - Bulk Mineral | Geocentral | $1.95 |
| 16404 | Quartzite - Bulk Mineral | xUmp.com | $1.95 |
| 17308 | Quartzite Chunks - Pack of 10 | | $12.95 |
| 17069 | Quick Release Plastic C-Clamp - 2 inch | xUmp.com | $4.95 |
| 17355 | Quick Wire Connector Splice | | $0.25 |
| 15996 | Rain Gauge | xUmp.com | $2.00 |
| 17392 | Rainbow Bamboo Toothbrush | | $0.79 |
| 14611 | Rainbow Glow Dough | Toysmith | $6.49 |
| 15524 | Rainbow Pom Ball | Toysmith | $4.95 |
| 17006 | Rainbow Snapperz | Toysmith | $5.49 |
| 14486 | Rattleback - Multicolor Pack of 10 | xUmp.com | $12.95 |
| 17399 | Real Ammonite Fossil - Small 1 inch | | $4.95 |
| 17286 | Rechargeable COB LED Flashlight | | $12.95 |
| 17287 | Rechargeable COB LED Head Lamp | | $14.95 |
| 16886 | Rechargeable Pocket Digital Oscilloscope - 20MS/s 5MHz | xUmp.com | $79.95 |
| 16980 | Rectangular Refraction Cell | xUmp.com | $6.95 |
| 16442 | Red Laser Pointer | xUmp.com | $19.00 |
| 17167 | Red Laser Ray Box - 1, 3 or 5 beams - with Adapter | xUmp.com | $29.95 |
| 15310 | Red Litmus Paper - 100 strips | xUmp.com | $1.29 |
| 16139 | Red Pi Mathematics T-Shirt | xUmp.com | $9.95 |
| 16079 | Red/Black Alligator-to-Banana Cable Pair - 1m | xUmp.com | $1.95 |
| 16463 | Red/Black Banana-to-Banana Cable Pair - 1m | xUmp.com | $5.95 |
| 16911 | Red/Blue North/South Magnet Marble | xUmp.com | $0.29 |
| 16482 | Reed Magnetic Switch | xUmp.com | $0.39 |
| 15911 | Refraction Cup | xUmp.com | $2.99 |
| 16528 | Refraction Cup with Measurements | xUmp.com | $3.49 |
| 16700 | Remote-Control Machines: Farm | Thames & Kosmos | $79.00 |
| 13774 | Replacement Belt for N-100V Winsco | Winsco | $29.95 |
| 13776 | Replacement Belt for N-105S Kilovoltron | Winsco | $24.95 |
| 14155 | Replacement Wicks - Pack of 12 | xUmp.com | $2.49 |
| 14779 | Resonance Bowl | xUmp.com | $139.00 |
| 17138 | Retractable Metal Tape Measure 10ft/3m - Both Imperial and Metric Scale | xUmp.com | $1.95 |
| 17361 | Reverse Polarity JST Connector CR2032 Battery with Wire Leads (CMOS) | | $2.79 |
| 17156 | Reverse Polarity MOLEX Connector CR2032 Battery with Wire Leads (CMOS) | xUmp.com | $2.79 |
| 16407 | Right-Angle Acrylic Prism - 1 x 2 inches | xUmp.com | $4.79 |
| 14629 | Ring Tripod Stand | xUmp.com | $9.99 |
| 15662 | Rock and Mineral Excavation Mini Kit | Geocentral | $4.95 |
| 13217 | Rock Science Kit | Toysmith | $11.95 |
| 17283 | Rocket Bubble Popper Fidget Toy | | $5.95 |
| 17192 | Rocks of the US - 9 Rocks Geology Kit | | $10.95 |
| 13887 | Roman Arch Kit | xUmp.com | $34.99 |
| 11200 | Rose Quartz - Bulk Mineral | Geocentral | $1.95 |
| 15756 | Rose Quartz - Large Chunk (2-3 inch) | xUmp.com | $11.95 |
| 13493 | Rotational Inertia Ring and Disk | xUmp.com | $49.99 |
| 17338 | Round Piezo-Electric Buzzer - 3V to 24V | | $1.59 |
| 14478 | Rubber Grip - For Hot Beakers | xUmp.com | $10.95 |
| 14144 | Rubber Stopper - Size 1 | xUmp.com | $0.59 |
| 14145 | Rubber Stopper - Size 2 | xUmp.com | $0.59 |
| 14146 | Rubber Stopper - Size 3 | xUmp.com | $0.79 |
| 14147 | Rubber Stopper - Size 4 | xUmp.com | $0.79 |
| 14148 | Rubber Stopper - Size 5 | xUmp.com | $0.79 |
| 14149 | Rubber Stopper - Size 6 | xUmp.com | $0.99 |
| 14150 | Rubber Stopper - Size 7 | xUmp.com | $0.99 |
| 14151 | Rubber Stopper - Size 8 | xUmp.com | $1.29 |
| 14152 | Rubber Stopper - Size 9 | xUmp.com | $1.49 |
| 16736 | Rubber Tubing - 1/4 inch 10ft | xUmp.com | $6.95 |
| 14047 | Safe Plastic Slide Set - Animals | xUmp.com | $9.00 |
| 14048 | Safe Plastic Slide Set - Insects | xUmp.com | $9.00 |
| 14049 | Safe Plastic Slide Set - Plants | xUmp.com | $9.00 |
| 17245 | SafeMask Premier Elite ASTM Level 3 - Pink - Made in USA Face Mask | | $19.95 |
| 17261 | SafeMask Premier Elite ASTM Level 3 - White - Made in USA Face Mask | | $19.95 |
| 17248 | SafeMask Premier Pediatric Kids Earloop Face Masks - Polka Dot Design - ASTM Level 1 | | $19.95 |
| 16247 | Safety Pipette Filler | xUmp.com | $4.95 |
| 16797 | Salt-Water Powered Truck 4M Kit | 4M | $13.95 |
| 10978 | Sandstone - Bulk Mineral | Geocentral | $1.95 |
| 16408 | Scale of Hardness Minerals Kit | xUmp.com | $25.00 |
| 17187 | Sci-bits: Glow T-Rex Skeleton Puzzle with DinoCodes App | Toysmith | $6.95 |
| 17186 | Sci-bits: Pump Rockets Kit | Toysmith | $7.95 |
| 17185 | Sci-bits: Table Top Volcano Kit | | $9.95 |
| 16197 | Science Pics Magnet Set | Dowling Magnets | $16.95 |
| 13271 | Science with Magnets Usborne Kid Kit | Usborne Books | $11.99 |
| 10569 | Scientists Playing Cards | xUmp.com | $7.95 |
| 16098 | Sci-Fi Tube - Energy Stick | Toysmith | $12.50 |
| 16398 | Screen Sieves - set of 4 | xUmp.com | $69.95 |
| 13330 | Sea Monkeys MagiQuarium | Schylling | $18.95 |
| 11793 | Sea Monkeys Ocean Zoo | Schylling | $15.95 |
| 11795 | Sea Monkeys Original Instant Life | Schylling | $8.95 |
| 16731 | Sedimentary Rock Bag - 6pcs | xUmp.com | $10.95 |
| 17193 | Sedimentary Rocks Kit - 15 Rocks Geology Kit | | $10.95 |
| 14230 | Seed Germination Kit | xUmp.com | $6.95 |
| 15714 | Seismic Accelerator | xUmp.com | $14.50 |
| 13343 | Selenite - Bulk Mineral | Geocentral | $1.95 |
| 16702 | Sensors Alive: Bring Physics to Life | Thames & Kosmos | $99.00 |
| 16167 | Septarian Slab | xUmp.com | $3.99 |
| 17157 | Set of 8 Gas Tubes for Physics Experiments | xUmp.com | $99.95 |
| 16857 | Shark Hand Puppet | Schylling | $7.95 |
| 15088 | Shark Smart Playing Cards | xUmp.com | $7.95 |
| 16381 | Shark Tooth Fossil - 1 to 2 inch | xUmp.com | $7.95 |
| 15978 | Shark Tooth Necklace | xUmp.com | $9.95 |
| 15906 | SHINCO-Scope Microscope with 5 Prepared Slides | xUmp.com | $79.00 |
| 17302 | Short Stem Glass Funnel - 45mm | | $2.59 |
| 17097 | SIBA FF 10A 600V Ceramic Multimeter Fuse - 6.3 x 32mm | xUmp.com | $2.95 |
| 17152 | Signal/Function Generator Module Board - 50Hz-50kHz - Sine/Square/Triangle Wave | xUmp.com | $9.95 |
| 14975 | Silicone Mat for Chemistry Labs | xUmp.com | $9.95 |
| 15344 | Simple Halls Carriage | xUmp.com | $7.99 |
| 16823 | Simple Touch Rocker Light - COB 200 Lumen | xUmp.com | $2.49 |
| 17369 | Single 18650 Lithium Battery USB Charger | | $2.49 |
| 17210 | Single CR2032 Battery Holder with Leads - 3V | | $1.29 |
| 17301 | Single Lithium Battery Charge Controller 5V 1A | | $2.95 |
| 16180 | Single Orthoceras Fossil in Matrix | xUmp.com | $9.95 |
| 11103 | Single Pulley | xUmp.com | $1.99 |
| 16932 | Skeleton Model With Nerves - 34 inches tall | xUmp.com | $49.00 |
| 14076 | Slotted Weight Set with Hanger | xUmp.com | $15.95 |
| 17374 | Small Hand Boiler - 4 inch tall | | $4.95 |
| 17231 | Small Van de Graaff Generator - 4 inch dome | | $109.00 |
| 12831 | Smart Robot 4M Kit | 4M | $15.95 |
| 17001 | SMS Lab Coat with 3 Pockets - White - EXTRA LARGE | | $5.95 |
| 17000 | SMS Lab Coat with 3 Pockets - White - LARGE | | $5.95 |
| 16965 | Snaky Spring Wave Demonstration | xUmp.com | $22.95 |
| 17160 | Snow Ball | Schylling | $4.49 |
| 17289 | Snowflake Obsidian Chunks - Pack of 10 | | $14.95 |
| 14822 | Soft Iron Rod | xUmp.com | $3.99 |
| 16785 | Solar & Battery Fan DIY STEM Kit | xUmp.com | $5.95 |
| 13844 | Solar Car | xUmp.com | $19.00 |
| 16240 | Solar Cell - 1.5V 400mA 80x60mm | xUmp.com | $4.95 |
| 16574 | Solar Cell - 2V 130mA 54x54mm | xUmp.com | $3.00 |
| 16656 | Solar Cell - 5V 250mA 110x69mm | xUmp.com | $4.95 |
| 16802 | Solar Fan: DC Motor 130 + Solar Cell 2V + Propeller | | $3.98 |
| 17051 | Solar Grasshopper - Vibration Microbot | xUmp.com | $2.75 |
| 16090 | Solar Micro Car Kit DIY STEM Kit | xUmp.com | $4.95 |
| 10543 | Solar Print Kit | Toysmith | $15.95 |
| 10432 | Solar Print Refill Paper | Toysmith | $9.95 |
| 14218 | Solar Rover 4M Kit | 4M | $18.95 |
| 15042 | Solar Spinner | xUmp.com | $9.95 |
| 17190 | Solar System Planetarium 4M Kit - Solar Hybrid Power | Toysmith | $18.95 |
| 13709 | Solar UV Beads - 250pcs | xUmp.com | $5.99 |
| 17391 | Soldering Iron Replacement Tip - 3.8mm x 65mm - 30W | | $1.29 |
| 15155 | Solenoid / Electromagnet with Iron Core | xUmp.com | $34.95 |
| 17063 | Solid Steel Ball - 16mm 0.63 inch Diameter | xUmp.com | $1.09 |
| 17064 | Solid Steel Ball - 19mm 0.75 inch Diameter | xUmp.com | $1.29 |
| 17314 | Solid Steel Ball - 25mm 1 inch Diameter | | $3.95 |
| 16609 | Space Mission Sand Box | xUmp.com | $29.95 |
| 10450 | Space Wonder Gyroscope | Tedco | $11.95 |
| 15309 | Spare Gold Leaves - Pack of 6 | xUmp.com | $7.95 |
| 16781 | Spare Golden Curls for Pro Solder Tip Cleaner | Velleman | $3.59 |
| 15158 | Spark Timer Accelerator | xUmp.com | $34.99 |
| 13984 | Specific Gravity Set | xUmp.com | $10.99 |
| 16969 | Spectroscope - Direct Vision | xUmp.com | $59.95 |
| 16539 | Spider - Small Specimen | Real Insect | $3.99 |
| 17223 | Spirowhiz Spirograph Drawing Activity Kit | | $12.95 |
| 17087 | Spring Cord Lanyard Keychain | xUmp.com | $1.59 |
| 17161 | Sproing - The Spring Thing | Schylling | $5.29 |
| 17183 | Squishy Earth with Core | Toysmith | $6.49 |
| 17343 | Stackable 4mm Banana Plug Cable - 1m Long - Colorful Set of 5 | | $12.50 |
| 17206 | Stackable AA Battery Holder - 1.5V | | $1.25 |
| 16349 | Standalone USB Temperature Data Logger Thermometer | xUmp.com | $24.95 |
| 14589 | Star-Ball Magnetic Puzzle | Creative Whack | $37.50 |
| 14821 | Steel Balls - Pack of 100 | xUmp.com | $4.99 |
| 16572 | Stir Bar for Magnetic Stirrer | xUmp.com | $3.99 |
| 16740 | Stringless Pendulum | xUmp.com | $49.95 |
| 14792 | Student Electronics BreadBoard | xUmp.com | $3.00 |
| 14669 | Subwoofer Speaker | xUmp.com | $29.95 |
| 16402 | Sulfur - Bulk Mineral | xUmp.com | $1.95 |
| 13863 | Sun Art Solar Imprint Paper - 8 x 10 inch - 15 sheets set | Tedco | $13.95 |
| 15880 | Super Capacitor - 100F 2.7V | xUmp.com | $3.50 |
| 10391 | Super Science Magnet Kit | Dowling Magnets | $27.95 |
| 12125 | Super Stacking Tops | Toysmith | $10.95 |
| 17383 | Super-Loud 120dB Car Alarm Buzzer - 6V to 12V DC | | $7.95 |
| 17348 | Super-Tiny Solar-Powered Car | | $3.95 |
| 14138 | Support Ring and Clamp - 4 inch | xUmp.com | $6.49 |
| 14139 | Support Stand with Rod | xUmp.com | $22.95 |
| 15729 | Switch Pitch | Hoberman | $8.95 |
| 16564 | Switching Power Supply - 3V to 12V | Velleman | $19.99 |
| 14854 | Swivel Clamp Holder | xUmp.com | $10.99 |
| 16403 | Talc - Bulk Mineral | xUmp.com | $1.95 |
| 12249 | Tape Measure Keychain | Toysmith | $3.95 |
| 13862 | Tedco Light Crystal Prism | Tedco | $8.95 |
| 16165 | Tektite - Rough Specimen | xUmp.com | $1.95 |
| 14143 | Test Tube Brush | xUmp.com | $1.39 |
| 11223 | Test Tube Clamp | xUmp.com | $1.79 |
| 16790 | Test Tube Peg Rack | xUmp.com | $11.95 |
| 10091 | The Original Gyroscope | Tedco | $9.95 |
| 12938 | The Original Superball | xUmp.com | $2.95 |
| 15316 | The SpillNot | xUmp.com | $22.95 |
| 13735 | Thermochromic Glux | Copernicus Toys | $7.95 |
| 10179 | Thermodynamic Drinking Bird | xUmp.com | $7.95 |
| 10216 | Thermodynamic Hand Boiler | xUmp.com | $8.95 |
| 14618 | Thermoelectric Generator | xUmp.com | $36.95 |
| 15357 | Thermometer Clamp | xUmp.com | $8.55 |
| 12259 | Tin Can Robot 4M Kit | 4M | $15.95 |
| 17234 | Tippe Tops - set of 3 | | $4.95 |
| 17362 | Tipsun AA Alkaline Batteries 2-pack - Mercury and Cadmium Free | | $0.95 |
| 16877 | Titanium Metal Cube - 10mm 99.95 Pure | xUmp.com | $9.95 |
| 16491 | Toggle Switch with Wire Leads | xUmp.com | $1.49 |
| 10704 | Touchable Bubbles | Toysmith | $2.95 |
| 17275 | Treasure Chest Mini Excavation Kit | | $3.95 |
| 17297 | T-Rex Dino Mood Ring with Adjustable Size Band | | $1.79 |
| 17284 | T-Rex Dinosaur Bubble Popper Fidget Toys - Set of 2 | | $9.95 |
| 16634 | T-Rex Dinosaur Skull Excavation Dig Activity Kit | xUmp.com | $4.95 |
| 17298 | Triceratops Dino Mood Ring with Adjustable Size Band | | $1.79 |
| 17119 | Triceratops Dinosaur LED Night Light - Battery or USB Powered | | $19.95 |
| 13671 | Trictenotomid Beetle | Real Insect | $14.99 |
| 11105 | Triple Pulley | xUmp.com | $2.99 |
| 14046 | Triple Tandem Pulley | xUmp.com | $2.99 |
| 15244 | Tripod Periodic Table Lamp | xUmp.com | $35.95 |
| 13703 | Tubular Spring Scale - Blue 250g | xUmp.com | $3.95 |
| 13705 | Tubular Spring Scale - Brown 1000g | xUmp.com | $3.95 |
| 13704 | Tubular Spring Scale - Green 500g | xUmp.com | $3.95 |
| 13706 | Tubular Spring Scale - Red 2000g | xUmp.com | $3.95 |
| 16455 | Tubular Spring Scale - White 3000g | xUmp.com | $3.95 |
| 15849 | Tubular Spring Scale - Yellow 5000g | xUmp.com | $3.95 |
| 16953 | Tungsten Metal Cube - 10mm 99.95 Pure | xUmp.com | $19.95 |
| 16654 | TV Stone - Satin Spar Selenite | xUmp.com | $2.49 |
| 17125 | Two Decks of Playing Cards | xUmp.com | $1.95 |
| 16209 | Two Legged ALLBOT - Arduino Robot Kit | Velleman | $69.00 |
| 13973 | Two Potato Powered Clock | xUmp.com | $15.00 |
| 17345 | Two USB Rechargeable Lithium-Ion AA Batteries with Cable | | $10.95 |
| 13986 | Two Way Burner Stand | xUmp.com | $5.95 |
| 16417 | Ultrabright COB Keychain Light | xUmp.com | $3.59 |
| 16999 | Unigown Isolation Gowns - Yellow - Pack of 10 | | $39.99 |
| 17145 | Universal Battery Tester - AA AAA C D 9V | xUmp.com | $4.95 |
| 16530 | Universal Multi Test Tube Rack | xUmp.com | $19.95 |
| 16315 | US Treasure Mining | xUmp.com | $12.00 |
| 17131 | USB Female to USB Male Extension Cable - 5ft 1.5m | xUmp.com | $1.99 |
| 17381 | USB Male to Micro-USB Male Adapter Cable - 1 meter | | $1.95 |
| 17344 | USB Rechargeable Lithium-Ion 9V Battery with Cable | | $7.95 |
| 17135 | USB Rechargeable Red Laser + UV LED + White LED Flashlight | | $9.00 |
| 16088 | USB Temperature Sensor Thermometer with Probe - PCSensor TEMPer2 | xUmp.com | $32.95 |
| 16688 | USB to Alligator Clips Connection Wire 5V - 50cm - 20inch | xUmp.com | $1.79 |
| 17113 | USB to DC Adapter 5.5mm x 2.1mm Cable | xUmp.com | $1.79 |
| 17346 | USB-Powered Flexible Portable Fan | | $4.95 |
| 17347 | USB-Powered Flexible Portable Reading Light | | $3.95 |
| 17351 | USB-Powered Light Bulb with Cable | | $7.95 |
| 17139 | USB-Powered Mini Plasma Ball - 3 inch Dome | xUmp.com | $15.00 |
| 17285 | UV Blacklight COB LED Flashlight | | $5.95 |
| 16083 | UV Light Blacklight Keychain | xUmp.com | $1.59 |
| 16481 | UV Ultraviolet LED 5mm 400nm 3.5V | xUmp.com | $0.29 |
| 13784 | Van de Graaff Demo DVD | Winsco | $18.00 |
| 16925 | Van De Graaff Generator - up to 250kV | xUmp.com | $425.00 |
| 16420 | Vanadinite - Large Chunk (2-3 inch) | xUmp.com | $11.95 |
| 16919 | Variable Inertia Set - pack of 2 discs | xUmp.com | $14.50 |
| 17232 | Vibration and Wave Demonstration Set | | $259.00 |
| 16453 | Vibration DC Motor + AA Battery Holder w/Switch | xUmp.com | $3.59 |
| 16441 | Vibration DC Motor 130 - 1.5-6V with leads | xUmp.com | $1.39 |
| 17329 | Volcanic Dino Popper | | $5.95 |
| 15741 | Volcanoes and Earthquakes Playing Cards | xUmp.com | $7.95 |
| 14073 | Voltaic Cell with Porous Cup and Electrodes Set | xUmp.com | $35.95 |
| 14834 | Vortex Bottle Connector for Tornado in a Bottle - Single | xUmp.com | $1.79 |
| 13710 | Vortex Bottle Connector for Tornado in a Bottle Classroom Set of 20 | xUmp.com | $32.95 |
| 16737 | Wash Bottle LDPE 500ml Unitary | xUmp.com | $5.95 |
| 17269 | Watch Glass 90mm Diameter with Fire Polished Edges | | $1.49 |
| 15671 | Water Clock | xUmp.com | $20.95 |
| 13845 | Water Wheel Timer | xUmp.com | $5.75 |
| 14860 | Wax Dissecting Pan | xUmp.com | $14.99 |
| 15677 | Wheel and Axle | xUmp.com | $12.50 |
| 14233 | White Streak Plates - set of 10 | xUmp.com | $10.95 |
| 11741 | Wicked Wings Slide Set | C & A Scientific | $9.99 |
| 17368 | Wide Range Sticker Thermometer - 39-97F 4-36C | | $0.59 |
| 16114 | Widefield DIN 10X Microscope Eyepiece | xUmp.com | $25.95 |
| 16473 | Wilderness Survival Cards 4-pack Set | xUmp.com | $29.95 |
| 12701 | Wilderness Survival Playing Cards | xUmp.com | $7.95 |
| 10887 | Wimshurst Lightning Machine | xUmp.com | $88.00 |
| 12260 | Windmill Generator 4M Kit | 4M | $13.95 |
| 13773 | Winsco Van de Graaff Generator | Winsco | $799.00 |
| 17100 | Wire Caps 22-14 AWG - 10 pack - HS P1 Type Screw Terminals | xUmp.com | $0.49 |
| 16800 | Wire Cutting and Adjustable Stripping Pliers | xUmp.com | $5.95 |
| 14140 | Wire Gauze 5 x 5 inches | xUmp.com | $1.29 |
| 15528 | Wood Fidget Puzzle | Toysmith | $3.29 |
| 10798 | Wooden Boomerang | xUmp.com | $5.99 |
| 16824 | Wooden Tangram Puzzle | xUmp.com | $2.95 |
| 10849 | Woodpecker | xUmp.com | $9.95 |
| 14971 | World's Simplest Motor | Tedco | $7.95 |
| 13469 | X-Ball - Magnetic Puzzle | Creative Whack | $39.95 |
| 14248 | Xenon Spectrum Discharge Tube | xUmp.com | $22.95 |
| 14177 | xUmp Gift Bag | xUmp.com | $1.99 |
| 16446 | Yellow Hand Tally Counter | xUmp.com | $2.95 |
| 16477 | Yellow LED Bulb - 2.3V - with wire leads | xUmp.com | $0.59 |
| 16879 | Zinc Metal Cube - 10mm 99.95 Pure | xUmp.com | $9.95 |
| 17130 | Zoom Focus 365nm LED UV Blacklight Flashlight | xUmp.com | $5.95 |
| 17395 | Zoom Focus White LED Flashlight | | $3.95 |
