This 2-cell D battery holder with wires is excellent for use in any hobby or science project. Comes with wire leads for easy hook-up. Recommended for electronics applications, for use in science fair projects and more!
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.
A combination of three of our great discovery toys, all in one package!
Build your own windmill generator kit by recycling a plastic bottle!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Learn Chemistry While Creating Sweet Treats
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.