A set of seven different glass lenses and prisms perfect for use with a ray box or in classroom optics demonstrations.
Build 14 assorted solar robots, some of which can travel over water!
Working model representing the sun, earth, and moon and their relationships.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Learn how solar cells transform light into electrical energy with this great kit!
A combination of three of our great discovery toys, all in one package!
This magic bird defies gravity before your very eyes!