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.
This SUPER Erector Construction set is one of the best you'll find anywhere!
A combination of three of our great discovery toys, all in one package!
With this kit, you can conduct 25 experiments to learn how an electric motor converts electricity into motion, and how an electric generator does just the opposite, converting motion into electricity.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Explore the invisible and amazing power of magnets with 33 engaging experiments and games.
Create all kinds of marble run combinations with this 80-piece Marble Run set!