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.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Get one of the craziest and coolest kaleidoscopes around!
A beautiful desk or bookshelf accessory for the reading fanatic in your family!
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
This science kit is an essential introduction to physics knowledge!
Build your own windmill generator kit by recycling a plastic bottle!