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.
This amazing 96-page book will show you how to choose, maintain, and use a microscope to see amazing things!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
This Celestron digital microscope rises to a new level with the included adjustable-height stand.
This caffeine molecule mug makes an excellent gift!
Have hours of fun with this colorful remote controlled flying saucer!
Learn about hydrogen fuel cells with this incredible kit!