Project Genius

For serious puzzlers only! With double the sides of the original ghost cube, the twelve-sided ghost extreme is a morphing puzzle that will challenge you unlike ever before. Without varied colors or...

50th anniversary edition. Get started in a few easy steps! This simple, yet complex, shape is meant to s t r e t c h your mind.  Recommended for ages 6 and up.

Get started in a few easy steps! This simple, yet complex, shape is meant to s t r e t c h your mind.  Recommended for ages 6 and up.