Save with this pack of 10 buzzers. 1.5 Volts DC 400Hz. Great for Morse code circuits.
Works on 1.5 V DC (any AA, AA, C or D battery will do.)
Create your own circuits or test batteries and solar cells with this buzzer. Connect it to a battery and a key switch to make your own Morse code circuit.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
This is a classic demonstration toy of the powers of magnetic fields!
This fun neon pin art features blacklight sensitive pins!
This 1mW, 532nm Super Safe Green Laser Pointer is for education, government or other settings where safety is a concern.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Build a robot that's an artist too!