ThinkFun Gravity Maze Falling Marble Logic Game STEM Toy 60 Challenges J11 ThinkFun Gravity Maze Falling Marble Logic Game challenges players to build a path through colorful towers to get the marble to the target. This gravity-powered logic maze includes a game grid, nine building towers, one target tower, and three marbles to test visual perception and reasoning skills. With 60 challenges ranging from beginner to expert, it provides an engaging STEM learning experience for single players. The award-winning design features translucent towers that can be arranged in various structures to ignite the mind and solve increasingly difficult puzzles. Measurements: • Box Width: 9.5" • Box Height: 10.75" • Box Depth: 3"