Gravity Maze</br></br>Product Description</br></br>Falling Marble Logic Game;A marble run and logic puzzle all in one. Age: 8 and Up;60 challenges ranging from beginner to expert;Builds spacial reasoning and planning skills;Includes 1 game grid?? 60 challenge cards?? 9 towers?? 1 target piece?? 3 marbles</br><br/>http://www.amazon.com/gp/product/B01LW5N6VL