Learn the basic principle of operation behind an electric bell. Great for science fair projects.
Operates on 3- to 6-V DC battery or 6- to 10-V AC transformer.
The coils and terminals are enclosed under a snap-on metal cover.
Bell is removable for use as a buzzer. Mountable.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
Explore the wonders of wind power with this amazing kit!
Get one of the craziest and coolest kaleidoscopes around!
This classic desk toy will keep you amused!
Get this great introductory chemistry kit for your favorite young scientist!