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.
A cool kit that helps you build your very own robotic arm!
Discover how solar cells make electricity with this awesome kit!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
With this kit, you can conduct 25 experiments to learn how an electric motor converts electricity into motion, and how an electric generator does just the opposite, converting motion into electricity.
Learn Chemistry While Creating Sweet Treats
Build a model green house and 9 other green energy-related devices with this great kit!