This single-cell CR2032 battery holder is excellent for use in any hobby or science project. Comes with wire leads for easy hook-up, and an on/off button. Recommended for electronics applications, for use in science fair projects and more!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
This great rock tumbling kit comes with everything you need to polish stones and gems!
This glass Erlenmeyer mug makes an excellent gift!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Dig deeper, and discover the fascinating crystal structures of minerals and rocks with this great kit!
Build a hand that realistically moves its fingers using shape memory allow technology!