This 4-cell AA battery holder with wires is excellent for use in any hobby or science project. Comes with wire leads for easy hook-up, and has a on-off switch function, making it perfect for use in hobby projects. Recommended for electronics applications, for use in science fair projects and more!
Make a crazy robot that walks like a silly ducky!
Great reference card for chemistry and physics students.
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.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Build a hand that realistically moves its fingers using shape memory allow technology!
This simple but amusing magnetic toy will keep you busy for hours!