Balloon power is what makes this 6-inch car whistle and zoom! It makes a great propulsion principle toy. Includes two balloons and decals for decorating and plastic racer car. Packaged in a polybag, this makes an excellent stocking stuffer or fun classroom toy.
This glass Erlenmeyer mug makes an excellent gift!
Easily assemble a working alarm motion detector!
Check out this high-quality gyroscope!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Build over 60 projects with this deluxe version of the Snap Rover kit!
A massive mounted set of 100 rocks and minerals found in the US,