Great buzzer for science fair projects. Optimal for 9V DC (standard 9V battery will work!)
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.
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
Get swept away by this fantastic robot kit that uses vibrations to move!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
This SUPER Erector Construction set is one of the best you'll find anywhere!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!