These AA battery holders with wires and switch can house four AA batteries, and you will find they are excellent for use in any hobby or science project. Each holder includes wire leads for easy hook-up, as well as a simple on/off switch, allowing you to exert greater control over your project and battery use. Recommended for electronics applications, science fair projects, and more! Set includes 10 holders.
Build over 60 projects with this deluxe version of the Snap Rover kit!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
This simple but amusing magnetic toy will keep you busy for hours!