This 2-cell AA 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!
Build a hand that realistically moves its fingers using shape memory allow technology!
This SUPER Erector Construction set is one of the best you'll find anywhere!
Learn all about the science of light, optics and visual perception with this wonderful kit!
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
The Duncan Phoenix Diabolo features a stable, hard rubber shell that retains its shape.
Easily assemble a working alarm motion detector!