This micro vibration motor is ideal for tooth brush robots!
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
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 20 different solar powered models with unique building pieces, controlled by an RC handset!
This fun neon pin art features blacklight sensitive pins!
Easily assemble a working alarm motion detector!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!