ThinkFun Gravity Maze Logic Falling Marble Game is a Toy Of The Year 2015 award-winning board game. This strategy game is designed for both boys and girls aged 8 years and above. It can be played by a single player or in a group. The game includes a game grid, 9 building towers, a target tower, 3 marbles, and 60 challenge cards ranging from beginner to expert levels, along with solutions and instructions. The game is complete and perfect for those who love solving puzzles and manipulating objects to achieve a goal.