Nature’s most destructive force can be observed here. Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes. Can you figure out why is it forming? What is the purpose of the fluid and what is the purpose of small particles in the tube? Amaze your friends with this amazing desk toy!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Every kid needs one of these spheres!
This SUPER Erector Construction set is one of the best you'll find anywhere!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
This caffeine molecule mug makes an excellent gift!
Learn how solar cells transform light into electrical energy with this great kit!