Standard 100ml glass funnel with a 4 inch stem. Great for chemistry experiments.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Build 14 assorted solar robots, some of which can travel over water!
Easily assemble a working alarm motion detector!
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
Build your own windmill generator kit by recycling a plastic bottle!