xUmp.com
9V Battery Snap Connector with Leads
Use this 9 volt battery connector for science projects and more!
Item#: 15872 Age: 14+
(7 customer reviews)
Solar DIY Micro Car Kit
A simple and highly affordable miniature solar car kit that includes everything you need (aside from soldering equipment) to build a small but speedy vehicle powered solely by the strength of the sun!
Item#: 16090 Age: 14+
(6 customer reviews)
Newtons Cradle - Large - 7 inches
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
Item#: 10063 Age: 8+
(31 customer reviews)
Buzzer with Leads - 1.5V
Great buzzer for science fair projects and Morse code circuits. Optimal for 1.5V.
Item#: 13409 Age: 14+
(7 customer reviews)
Liquid Filled Compass - 1.75 inch
This is an excellent economical compass for classroom lessons or for scouting projects.
Item#: 15596 Age: 6+
(2 customer reviews)
Solar Cell - 1.5V 400mA 80x60mm
A polycrystalline 1.5V 400mA solar cell great for use with our 1.5V buzzers, motors, lightbulbs and more
Item#: 16240 Age: 14+
(2 customer reviews)
Periodic Table Banner Pen
Functioning pen with a complete periodic table that scrolls out from the side. Reverse side features reference tables.
Item#: 15324 Age: 6+
(6 customer reviews)
2xAA Battery Holder
This battery holder holds 2 AA batteries--great for use in your next science fair project!
Item#: 14015 Age: 14+
(2 customer reviews)
DC Motor 130 - 1.5-6V with leads
This reliable and affordable 1.5 to 6V DC motor with wire leads is perfect for hobby projects.
Item#: 15874 Age: 14+
(4 customer reviews)
3 Blade Propeller
An affordable, lightweight, plastic, 3-bladed propeller that can be attached to the end of a DC motor.
Item#: 16101 Age: 14+
2xAA Battery Holder with Cover & Switch
This 2 AA battery holder includes an on-off switch, making it perfect for any hobby project!
Item#: 14016 Age: 14+
(2 customer reviews)
1xAA Battery Holder with Cover & Switch
This 1 AA battery holder includes leads and an on-off switch, making it perfect for any hobby project!
Item#: 16274 Age: 14+
(1 customer reviews)
UV Light Blacklight Keychain
A compact and affordable ultraviolet keychain flashlight that can be used for ID verification, hotel sanitation checks, detecting counterfeit currency, and more!
Item#: 16083 Age: 14+
(3 customer reviews)
Neon Bulb - 6mm x 16mm - for Electro-Static Experiments
Neon bulb can be powered by the static electricity built up in your body, or by the charge from a plasma ball, Van de Graff generator, or Wimshurst machine
Item#: 16087 Age: 14+
(1 customer reviews)
Periodic Table Reference Cards - 10 pack
Great reference card for chemistry and physics students.
Item#: 15097 Age: 12+
(8 customer reviews)
4xAA Battery Holder with Cover & Switch
This 4 AA battery holder includes an on-off switch, making it perfect for any hobby project!
Item#: 14017 Age: 14+
Coin Vibration Motor - 3V
This micro vibration motor is ideal for tooth brush robots!
Item#: 15873 Age: 14+
Mini Liquid Compass - Pack of 10
A set of 10 miniature liquid-filled compasses, excellent for science experiments involving magnets
Item#: 16309 Age: 6+
(4 customer reviews)
Petri Dish - 60mm Glass
Standard glass 60mm petri dish. Great for chemistry experiments.
Item#: 13065 Age: 13+
2xD Battery Holder
This battery holder holds 2 D batteries--great for use in your next science fair project!
Item#: 14014 Age: 10+
(2 customer reviews)
1xAA Battery Holder
Single AA battery holder with leads for your next science project!
Item#: 14842 Age: 14+
(2 customer reviews)
Glass Beaker - 250ml
Standard 250ml glass beaker. Great for chemistry experiments.
Item#: 13060 Age: 13+
E=mc2 T-Shirt
Cool t-shirt with Einstein's most famous equation. Our exclusive!
Item#: 10837 Age: 10+
(4 customer reviews)
Glass Beaker - 600ml
Standard 600ml glass beaker. Great for chemistry experiments.
Item#: 13061 Age: 13+
(2 customer reviews)
DIY Flashing LED Circuit Kit
An excellent introductory kit that allows you to explore circuitry, electronics, and soldering all while completing a fun experiment that yields a small flashing LED, programmed by the circuit you've just built!
Item#: 16350 Age: 14+
(2 customer reviews)
Periodic Table of Elements T-Shirt
Be the coolest kid on the block with this neat T-shirt featuring the periodic table!
Item#: 12166 Age: 12+
(7 customer reviews)
xUmp Gift Bag
This high-quality xUmp.com gift bag is perfect for wrapping purposes!
Item#: 14177 Age: 5+
(3 customer reviews)
Pi-Day T-Shirt
Celebrate National Pi Day with this exclusive T-shirt!
Item#: 14657 Age: 8+
(15 customer reviews)
Dual Scale C/F Sticker Thermometer
Peel and stick on glass, plastic and metal surfaces for a visual indication of temperature changes
Item#: 16320 Age: 8+
(2 customer reviews)
Glass Graduated Cylinder - 100ml
Standard 100ml graduated cylinder. Great for chemistry experiments.
Item#: 13062 Age: 13+
(3 customer reviews)
Short Stem Funnel - 100ml Glass
Standard 100ml glass funnel with a 4 inch stem. Great for chemistry experiments.
Item#: 13064 Age: 13+
10 pack Mini DC Motors - 1.5-6V
This pack of 10 reliable and affordable 1.5 to 6V DC motors with wire leads is perfect for hobby electronics projects, as well as science fairs, and for use in the classroom
Item#: 16260 Age: 14+
Petri Dish - 100mm Glass
Standard glass 100mm petri dish. Great for chemistry experiments.
Item#: 13066 Age: 13+
(2 customer reviews)
Glass Erlenmeyer Flask - 500ml
Standard 500ml glass Erlenmeyer flask. Great for chemistry experiments.
Item#: 13059 Age: 13+
10 pack Buzzers with Leads - 1.5V
Save with this pack of 10 buzzers. 1.5 Volts DC 400Hz. Great for Morse code circuits.
Item#: 16239 Age: 14+
(3 customer reviews)
Glass Erlenmeyer Flask - 250ml
Standard 250ml glass Erlenmeyer flask. Great for chemistry experiments.
Item#: 13058 Age: 13+
Green Laser Pointer
Use this laser pointer for any professional presentation!
Item#: 13815 Age: 18+
(7 customer reviews)
Momentary Push-Button Switch with Leads
Compact push-button switch with red and black leads, great for use in morse code or science fair projects! Can be combined with many of our other electronic components
Item#: 16034 Age: 14+
(1 customer reviews)
4xAA Battery Holder
This battery holder with leads houses 4 AA batteries--great for use in your next science fair project!
Item#: 16273 Age: 14+
(1 customer reviews)
Wooden Test Tube Rack
Be set for safe bubbling, steaming and bursting experiments with this wooden test tube rack!
Item#: 13247 Age: 13+
(1 customer reviews)
Blue Pi T-Shirt
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Item#: 15531 Age: 8+
(2 customer reviews)
N50 Neodymium Disc Magnet - 20x5mm
N50-grade (higher quality) super-strong neodymium disc magnets measuring 20x5mm
Item#: 16386 Age: 18+
(1 customer reviews)
1N4001 Diode - 1A 50V
This handy general-purpose diode can withstand up to 50V at 1A current; great for use in a variety of hobby electronic projects
Item#: 16431 Age: 18+
(2 customer reviews)
N50 Neodymium Disc Magnet - 10x3mm
N50-grade (higher quality) super-strong neodymium disc magnets measuring 10x3mm
Item#: 16385 Age: 18+
N50 Neodymium Cube Magnet - 10x10x10mm
N50-grade (higher quality) super-strong neodymium cube magnets measuring 10x10x10mm
Item#: 16388 Age: 18+
(1 customer reviews)
Red/Black Alligator-to-Banana Cable Pair - 1m
High-quality 3 foot cable with 2 alligator clips and 2 red/black banana plugs
Item#: 16079 Age: 14+
Glow Skeleton T-Shirt
Use this glow-in-the-dark skeleton T-shirt for Halloween events, creepy anatomy club meetings, and more!
Item#: 14976 Age: 8+
(1 customer reviews)
N50 Neodymium Bar Magnet - 50x10x5mm
N50-grade (higher quality) super-strong neodymium bar magnets measuring 50x10x5mm
Item#: 16387 Age: 18+
Line Tracking Car DIY Kit
Build your own line-tracking car with this fun DIY solder kit! Once completed, the car uses two optical sensors to detect contrast between light and dark; thus, if you draw a thick line on a sheet of white paper, the car will track the line and drive around on the path you've indicated.
Item#: 16327 Age: 14+
(1 customer reviews)
PH Meter Calibration Buffer Powder - 10 pack
A set of 10 pH Buffer Powder packets. Includes 5 pH 4.00 packets and 5 pH 6.86 packets.
Item#: 16307 Age: 18+
(2 customer reviews)
Knife Switch - Single Pole Double Throw
Affordable SPDT knife switch for use in electricity projects.
Item#: 15149 Age: 8+
Glass Graduated Cylinder - 500ml
Large 500ml graduated cylinder. Great for chemistry experiments!
Item#: 13063 Age: 13+
(1 customer reviews)
Digital Thermometer Module with Probe
This digital thermometer is great for any science project involing temperature, or for measuring around the home or office. Readout is given in Celsius.
Item#: 16319 Age: 14+
Peltier Thermo-Electric Cooling Module - 12V
Use this thermo-electric cooling module for a variety of applications!
Item#: 14916 Age: 14+
(1 customer reviews)
Invisible Ink Pen and UV Light
Write secret messages to your friends in the know, keep diary entries safe from prying eyes with light-coded messages, and leave invisible tags in school notebooks with this handy and affordable invisible ink pen!
Item#: 16409 Age: 7+
500X USB Digital Microscope with Stand
Powerful USB Digital Microscope magnifies up to 500X - advanced, adjustable stand w/ specimen tray, and software included.
Item#: 16107 Age: 18+
Open DC Motor Demo - 1.5V
An effective and inexpensive tool for classroom demonstrations of DC motors, and electro-magnetic processes more generally
Item#: 16348 Age: 14+
(1 customer reviews)
Red Pi T-Shirt
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Item#: 16139 Age: 8+
Mini Electronics Breadboard
High-quality mini electronics breadboard for hobby electronics projects and prototyping.
Item#: 15868 Age: 14+
(2 customer reviews)
100 Assorted LEDs Pack - 5mm
This pack includes 100 assorted 5mm LEDs. There are 20 of green, red, yellow, blue and white.
Item#: 16259 Age: 14+
3 Laser Pointers Set - Red Green Blue
A highly affordable set of 3 laser pointers (red/green/blue) set at different wavelengths, perfect for performing experiments involving refraction in the classroom or at home.
Item#: 16108 Age: 18+
(2 customer reviews)
Adjustable Red Laser Module - Dot 650nm 5mW
This high-quality red laser module has an adjustable focus lens and operates on 3 to 6V DC.
Item#: 15879 Age: 18+
Mini Knife Switch - 10 pack
A set of 10 mini knife switches that can be used to connect or break circuits
Item#: 15895 Age: 13+
(3 customer reviews)
$300 Scratch and Ding Mystery Box
Can you get $300 worth of cool science supplies and toys for only $149? Yes, you can now!
Item#: 15897 Age: 10+
(2 customer reviews)
3xAA Battery Holder with Cover & Switch
This 3 AA battery holder includes leads and an on-off switch, making it perfect for any hobby project!
Item#: 16275 Age: 14+
10 pack 2xAA Battery Holders with Cover & Switch
A pack of 10 battery holders capable of housing 2 AA batteries - each holder includes wire leads and an on/off switch - great for electronics and science fair projects!
Item#: 16267 Age: 14+
10 pack 2xAA Battery Holders
A pack of 10 battery holders capable of holding two AA batteries - each holder includes wire leads - great for electronics and science fair projects!
Item#: 16263 Age: 14+
Economy DC Crank Generator - USB 5V
This small and affordable DC crank generator features a 5V USB connection port and can be used to charge and power a wide variety of electronic devices
Item#: 16433 Age: 14+
3xAA Battery Holder
This battery holder with leads houses 3 AA batteries--great for use in your next science fair project!
Item#: 16272 Age: 14+
Digital Vernier Calipers
Use this digital vernier caliper for a variety of measuring applications!
Item#: 14937 Age: 10+
(1 customer reviews)
10 pack Push-Button Switches
A pack of 10 compact push-button switch with red and black leads, great for use in morse code or science fair projects! Can be combined with many of our other electronic components
Item#: 16261 Age: 14+
18V 150mA Solar Panel with Alligator Clips
This polycrystalline silicon solar panel operates at a voltage of 18, and a current of 150mA. Its relatively small size makes it a great fit for many science fair projects involving solar power.
Item#: 16316 Age: 14+
(1 customer reviews)
Geared DC Motor
This geared DC motor is excellent as a component in DIY mechanical projects, such as making your own solar or battery powered cars or robots
Item#: 16328 Age: 14+
Mini LED Microscope 160X-200X
Compact pocket microscope featuring LED light magnifies objects from 160X up to 200X using focus wheel
Item#: 16323 Age: 10+
(2 customer reviews)
Tripod Periodic Table Lamp
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Item#: 15244 Age: 12+
Periodic Table Lamp
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Item#: 15243 Age: 12+
(2 customer reviews)
PCB Copper Prototype Board - 5x10cm
This is a handy, solderable prototype board. It can be used with standard electronics components for your next hobby electronics project.
Item#: 16432 Age: 18+
Geared DC Motor and Toy Car Wheel Set
Make your own toy vehicles or robots with this cool geared motor and wheel set.
Item#: 15866 Age: 14+
10 pack 1xAA Battery Holders with Cover & Switch
A pack of 10 battery holders capable of housing 1 AA battery - each holder includes wire leads and an on/off switch - great for electronics and science fair projects!
Item#: 16266 Age: 14+
Yellow Hand Tally Counter
Count with style with this classically designed hand counter. Features a four-digit display and key chain attachment, and can be easily reset using the right knob. Counts from 0-9999
Item#: 16446 Age: 8+
10 pack 1xAA Battery Holders
A 10-pack of single AA battery holders; great for the classroom, lab, or for science fair projects
Item#: 16262 Age: 14+
Coffee Cup Stirling Engine
A fully functional stirling engine model operates solely from the power provided by the heat of the surface on which it is placed, meaning it works especially well placed over the rim of a piping-hot mug of coffee
Item#: 15711 Age: 14+
10 pack 3xAA Battery Holders with Cover & Switch
A pack of 10 battery holders capable of housing 3 AA batteries - each holder includes wire leads and an on/off switch - great for electronics and science fair projects!
Item#: 16268 Age: 14+
Glass Eye Dropper - 12 pack
A box of 12 glass eye droppers with rubber nipples - each retains up to 2 millimeters of liquid!
Item#: 15891 Age: 13+
12V 10W Waterproof Solar Panel
This monocrystalline silicon solar panel operates at a voltage of 12, and a wattage of 10W. The unit is also waterproof, making it excellent for boating or camping applications
Item#: 16329 Age: 18+
(1 customer reviews)
2xAA to D Battery Converter
Plastic casing that uses 2 AA batteries to produce the same voltage output as a D battery (1.5V)
Item#: 16424 Age: 14+
10 pack 4xAA Battery Holders with Cover & Switch
A pack of 10 battery holders capable of holding four AA batteries - each holder includes wire leads and an on/off switch - great for electronics and science fair projects!
Item#: 16269 Age: 14+
Space Exploration Gift Set
Fun gift set for your future astronaut! Explore space with these 'out of this world' items. Ideal for pretend play and science discovery.
Item#: 15814 Age: 6+
Traveling Science Gift Set
Science...on the go! Great gift set for road trips, train rides or any vacation. Keeps kids occupied and learning.
Item#: 15808 Age: 7+
Fun Building Gift Set
An eclectic collection of building kits and puzzles sure to keep creative craniums cranking out imaginative designs for hours at a time!
Item#: 16085 Age: 6+
Micro Speaker - 8ohm 1W with leads
Excellent miniature speaker for a variety of hobby or electronic projects
Item#: 16321 Age: 14+
10 pack 4xAA Battery Holders
A pack of 10 battery holders capable of housing 4 AA batteries - each holder includes wire leads - great for electronics and science fair projects!
Item#: 16265 Age: 14+
(1 customer reviews)
PCB Copper Board - 7x10cm
This PCB Copper Board measures 7x10 cm and is unperforated, allowing you to create your own circuit board.
Item#: 16443 Age: 18+
Polished Fossil Coral
Preserve a piece of ecological history with this specimen of polished fossil coral.
Item#: 16380 Age: 14+
Streak Plates Class Pack - 40 White + 40 Black
A set of 40 black and 40 white streak plates! This classroom set allows you to test the hardness and streak color of a huge variety of specimens!
Item#: 16362 Age: 14+
Green Slag - Large Chunk (2-3 inch)
Slag is the glass-like by-product left over after a desired metal has been separated from its raw ore. Slag is usually a mixture of metal oxides and silicon dioxide; however, slags can contain metal sulfides and elemental metals
Item#: 16375 Age: 14+
15W Stereo Audio Amplifier
This 15W stereo audio amplifier is a pre-assembled unit perfect for use with a wide variety of electronics hobby or science fair projects.
Item#: 16318 Age: 14+
10 pack 3xAA Battery Holders
A pack of 10 battery holders capable of housing 3 AA batteries - each holder includes wire leads - great for electronics and science fair projects!
Item#: 16264 Age: 14+
Selenite - Large Chunk (2-3 inch)
An excellent larger specimen of selenite mineral, one of the softest minerals known to nature
Item#: 16222 Age: 14+
10 pack 2xD Battery Holders
A pack of 10 battery holders capable of holding 2 D batteries - each holder includes wire leads - great for electronics and science fair projects!
Item#: 16270 Age: 14+
Red Jasper - Large Chunk (2-3 inch)
A 2-3 inch specimen of red jasper; Jasper is an opaque rock of virtually any color stemming from the mineral content of the original sediments or ash
Item#: 16376 Age: 14+
Ice Calcite - Large Chunk (2-3 inch)
A 2-3 inch specimen of cloudy ice calcite; great addition to any rock or mineral collection
Item#: 16370 Age: 14+
Orange Calcite - Large Chunk (2-3 inch)
A 2-3 inch specimen of orange-colored calcite; calcite is the primary mineral to be found in rock formations such as limestones and stalagmites
Item#: 16371 Age: 14+
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