Save with this pack of 10 buzzers. 9 Volts DC 400Hz. Great for Morse code circuits.
Works on 3 V DC (any 9V 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.
Is it a demonstration of a scientific law or a work of art?
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
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Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Easily assemble a working alarm motion detector!
This kit focuses on teaching children about electricity and how electronic devices work!