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Velleman

3V DC Motor 350mA 13800RPM

Use this mini 3V DC motor for your next science demonstration on electricity!

Item#: 14655 Age: 10+

Solderless Electronics Starter Set

This solderless set is a great introduction to electronics!

Item#: 14787 Age: 13+
5 Stars (1 customer reviews)

Lead-Free Solder Spool - 100g

Use this lead-free solder spool on your next soldering project!

Item#: 14788 Age: 14+

Miniature Relay

You can use this miniature relay for your next electronics science project!

Item#: 14786 Age: 14+

Voice Changer Electronics Solder Kit

Make all kinds of voice effects with this cool soldering kit!

Item#: 14800 Age: 13+

Crawling Microbug Solder Kit

Build a bug-shaped robot with this fun kit!

Item#: 14921 Age: 12+

Solar Energy Electronics Experiment Kit

Perform up to 10 solar-powered projects with this great kit!

Item#: 14917 Age: 12+

IR Light Barrier Solder Kit

Build an infrared light barrier with this unique soldering kit!

Item#: 14920 Age: 14+

Electrolytic Capacitors Set - 120pcs

Use this set of 120 electrolytic capacitors with up to 10 different values for electronics projects!

Item#: 14783 Age: 14+

LEDs Set - Assorted 80pcs

Use this set of LEDs for a variety of electrical applications!

Item#: 14784 Age: 14+

Stranded Project Wire Set - 24AWG 10-Colors 60m

A set of eight 5m wires and two 10m wires in assorted colors - excellent for use in a wide variety of hobby and classroom electronics projects

Item#: 16458 Age: 14+

Set of Multimeter Test Leads

This standard set of replacement test leads will work with any of our digital multimeters.

Item#: 16579 Age: 18+

7W Mono Amplifier Solder Kit

This multipurpose amplifier is perfect for hobby or electronics projects!

Item#: 14661 Age: 13+

Assorted Transistors Set - 100 pcs

Use these transistors for a variety of electrical applications!

Item#: 14922 Age: 14+

Ceramic Capacitors Set - 224pcs

Use these ceramic capacitors for your next electronics project!

Item#: 14782 Age: 14+

10-pack Desoldering Wick - 10 x 5ft

A helpful pack of 10 desoldering wicks to use during your next soldering project!

Item#: 16032 Age: 13+

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Lab DC Switching Power Supply 0-30V 0-3A

This power supply is perfect for use in classrooms or laboratories. The unit produces variable 0 to 30V DC at up to a maximum of 3A, and features a clean and easy-to-read digital display.

Item#: 16351 Age: 18+

Lead-Free Solder with Dispenser 0.5oz

This portable solder dispenser allows for efficient portability and on the spot, easy to access lead-free solder.

Item#: 16784 Age: 18+

5 VDC Stepper Motor with ULN2003 Driver Board

This 5 VDC stepper motor controlled by the ULN2003 driver can be used with any Arduino® or compatible boards via jumper leads.

Item#: 16578 Age: 18+

10W Megaphone

Hand-held megaphone with shoulder strap. With siren & music/speak, on/off switch and volume control. ABS housing.

Item#: 15961 Age: 18+

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Four Legged ALLBOT - Arduino Robot Kit

This is the four-legged ALLBOT® - modular robot system with Arduino® compatible robot shields.

Item#: 16210 Age: 10+

Start to Solder Educational Kit

This kit includes everything you need to start soldering.

Item#: 16212 Age: 10+

Motor and Power Shield for Arduino

This fully assembled Arduino shield can drive relays, solenoids, DC and stepper motors.

Item#: 16213 Age: 12+

IO Shield for Arduino

This fully assembled Arduino shield makes a great input/output board with 6 relay outputs, 6 analog and 6 digital inputs.

Item#: 16214 Age: 12+

Assembled 7W Mono Amplifier

Use this amplifier for your home stereo system, hobby projects and more!

Item#: 14925 Age: 14+

Switching Power Supply - 3V to 12V

This innovative adapter uses state-of-the-art switching technology to allow the user to choose various output voltages from a range between 3V and 12V

Item#: 16564 Age: 18+

Anti-Static Adjustable Elastic Wrist Strap

This universal anti-static wrist strap can be used with all or our anti-static mats (see related products).

Item#: 16576 Age: 18+

Two Legged ALLBOT - Arduino Robot Kit

This is the two-legged ALLBOT® - modular robot system with Arduino® compatible robot shields.

Item#: 16209 Age: 12+

DIY Starter Kit for ARDUINO®

Great starter Arduino kit. Comes with ATmega328 UNO board, over 80 components and handy plastic storage case.

Item#: 16580 Age: 18+

Spare Golden Curls for Pro Solder Tip Cleaner

Keep your solder tips clean with these spare golden curls, which allow you to clean your soldering iron without affecting it's temperature.

Item#: 16781 Age: 14+

Running Microbug DIY Kit

The Running Microbug DIY Kit circuit is built using general purpose transistors, fixed resistors, potentiometers, and light sensitive resistors that allow it to respond to the light in it's environment and react accordingly.

Item#: 16782 Age: 18+

QuickHot Soldering Gun 30W-130W

This soldering gun for fast heat application consists of stainless steel and is equipped with a dual-power ceramic heating element.

Item#: 16783 Age: 18+

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xUmp.com Catalog

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At xUmp.com, we are passionate about science. We believe in hands-on learning and making science fun. - Anton Skorucak, Physicist and Founder

At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.