This pack of fart bombs is a great gag gift. Simply squeeze the foil bag with the fart bomb in it, drop it, and run for the door--it will release the stinkiest smell ever! Great choice for a stocking stuffer or novelty prize.
Easily assemble a working alarm motion detector!
A cool kit that helps you build your very own robotic arm!
Check out this high-quality gyroscope!
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.
Working model representing the sun, earth, and moon and their relationships.
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!