Simple equilateral plastic prism. Great for science projects and classroom demonstrations.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
View the glory of space with this hi-tech telescope set!
Discover how solar cells make electricity with this awesome kit!
This SUPER Erector Construction set is one of the best you'll find anywhere!
Defy gravity with this cool balancing eagle!
This kit focuses on teaching children about electricity and how electronic devices work!