Toss it in the air and watch the colors magically flip!
Hand held, magical color-flipping balls make a fun, portable toy.
Fascinating to play with and hard to put down.
Ball diameter: 4 inches
Comes in assorted colors.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Build over 100 exciting electronic projects with this easy to use kit!
Comprehensive collection of 30 fossils.
Use this awesome prism to teach about optics and light in the classroom setting!
This simple but amusing magnetic toy will keep you busy for hours!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!