This 2x-cell CR2032 battery holder is excellent for use in any hobby or science project. Comes with wire leads for easy hook-up, and an on/off switch. Recommended for electronics applications, for use in science fair projects and more!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Do micro-controller projects and program them using your own computer!
Check out this high-quality gyroscope!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
Find the hidden crystals when you open your own geodes from this fun set.
Build 14 assorted solar robots, some of which can travel over water!