Blue 4-blade propeller fan for use with mini DC motors.
Item#: 16759 Age: 14+
Use this 3V buzzer in your next school science project. Great for Morse code or wire buzzer circuits. Just add a two AA battery 3V holder.
Item#: 14845 Age: 8+
(2 customer reviews)
Great buzzer for science fair projects and Morse code circuits. Optimal for 1.5V - single AA or AAA battery.
Item#: 13409 Age: 14+
(8 customer reviews)
Need a mini buzzer for a 9V battery? This one is great for your Morse code or wire buzzer science fair projects.
Item#: 15858 Age: 14+
(2 customer reviews)
Great hobby projects mini-speaker! It is only 2 inch in size but it packs a powerful sound with deep base. Add it to your next radio electronics project.
Item#: 14665 Age: 18+
(4 customer reviews)
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+
(2 customer reviews)
This pack includes 100 assorted 5mm LEDs. There are 20 of green, red, yellow, blue and white.
Item#: 16259 Age: 14+
This Green 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, Wimshurst machine or Tesla Coil.
Item#: 16875 Age: 14+
This Blue 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, Wimshurst machine or Tesla Coil.
Item#: 16874 Age: 14+
This handy electromagnet is excellent for classroom demos or science fair projects. It will deflect a compass needle even when powered with a single AA battery!
Item#: 17205 Age: 14+
This small magnetic switch will close its connection when you place a magnet next to it. Great for hobby electronics and science projects.
Item#: 16482 Age: 14+
(1 customer reviews)
Great for light sensor electronic circuits, for Arduino modules, robots, and more.
Item#: 16690 Age: 18+
This linear potentiometer is commonly used to adjust voltage in an electronic circuit.
Item#: 17080 Age: 14+
Great super capacitor for physics and electronics experiments.
Item#: 16888 Age: 18+
(1 customer reviews)
Use this PN2222A transistor for a variety of electronics applications!
Item#: 14791 Age: 14+
One of the largest capacitors available on the market today: at 500 Farads, they don’t get much bigger than this.
Item#: 16991 Age: 18+
Great buzzer for science projects and toys. Optimal for 6V DC (4 x AA batteries or use a 5V USB power supply.)
Item#: 17293 Age: 14+
This affordable mini hobby speaker with great for various science and electronics projects such as AM/FM radios, amplifiers, sirens, etc.
Item#: 16760 Age: 14+
This small but powerful electro-magnet can lift up to 2.5kg with only 3V power (two AA batteries)!
Item#: 16661 Age: 14+
(1 customer reviews)
Use this thermo-electric cooling module for a variety of applications!
Item#: 14916 Age: 14+
(2 customer reviews)
Excellent miniature speaker for a variety of hobby or electronic projects
Item#: 16321 Age: 14+
Use this red LED light for your next science project!
Item#: 13956 Age: 13+
Save with this pack of 10 buzzers. 9 Volts DC 400Hz. Works with a standard 9V battery. Great for Morse code or buzz wire circuits.
Item#: 16450 Age: 7+
Save with this pack of 10 buzzers. 1.5 Volts DC 400Hz. Works off of a single AA battery. Great for Morse code of buzz wire circuits.
Item#: 16239 Age: 14+
(5 customer reviews)
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)
This subwoofer speaker is a great addition to your home theater!
Item#: 14669 Age: 18+
Use this green LED light for your next science project!
Item#: 13955 Age: 13+
This powerful 10 W 100 Ohm ceramic resistor can be used on ends of power supplies to prevent failure due to short circuit, and more.
Item#: 17099 Age: 18+
Save with this pack of 10 buzzers. 3 Volts DC 400Hz. Just add a two AA battery holder. Great for Morse code circuits.
Item#: 16449 Age: 14+
This high-quality red laser module has an adjustable focus lens and operates on 3 to 6V DC.
Item#: 15879 Age: 18+
You can use this miniature relay for your next electronics science project!
Item#: 14786 Age: 14+
Use these transistors for a variety of electrical applications!
Item#: 14922 Age: 14+
Use this set of LEDs for a variety of electrical applications!
Item#: 14784 Age: 14+
A helpful pack of 10 desoldering wicks to use during your next soldering project!
Item#: 16032 Age: 13+
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.