This 3-cell AA battery holder with wires is excellent for use in any hobby or science project. The unit includes wire leads for easy hook-up, and it has an on-off switch function, making it perfect for use in hobby projects. Recommended for electronics applications, for use in science fair projects and more!
Learn how solar cells transform light into electrical energy with this great kit!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Learn Chemistry While Creating Sweet Treats
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
This kit will get your paper plane ready for takeoff!
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.