A collection of 54 eye-catching optical illusions that fool the eye and delight the imagination. Colors, shapes and appearances transform themselves magically right before your eyes. Nothing is what it seems – and what you see is definitely not what you will get. Created by Pentagram, the internationally-renowned design firm. Based on the best selling book Pentamagic. Complete with explanations. Suitable for all card games.
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
Build a magnetic levitating train with this science fair project kit!
Comprehensive collection of 30 fossils.
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Use this awesome prism to teach about optics and light in the classroom setting!
Make the coolest 3D pin art on your desk with this amazing desk toy.