ThinkFun, the creator of the Gravity Maze, are world leaders in addictively fun games. The games created by Thinkfun are made to stretch and sharpen your mind through logic. At one point in everyone’s lives, we have all liked trying to solve the complicated mazes found in books, online, or even a maze made of corn. Were you fascinated with marble runs of some kind? Thanks to ThinkFun, we now have the Gravity Maze. Gravity Maze is one of the first marble runs that combines itself with logic. It’s addictive, fun, and difficult.