Gravity Maze Game - ThinkFun - 8yrs+Its a maze game. Its a marble game. Actually, its a gravity powered logic maze game that builds reasoning skills and visual perception. The colourful, translucent towers can be arranged in a plethora of visually stimulating structures but, for each challenge, you'll have to think carefully to build a path that will successfully carry your marble to its target. The best part is its fun to play and learn! With 60 challenges to test your skills, this fun