This lithium cell 3.7V battery holder 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.
Build a magnetic levitating train with this science fair project kit!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
This caffeine molecule mug makes an excellent gift!
This project book and sample kit introduces you to shape-memory alloy technology!
Build 14 assorted solar robots, some of which can travel over water!