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.
Get swept away by this fantastic robot kit that uses vibrations to move!
This is a classic demonstration toy of the powers of magnetic fields!
This plant and animal cell model activity set is a must-have resource for the science classroom!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
Learn all about Newton’s Laws and Energy conservation.
A massive mounted set of 100 rocks and minerals found in the US,