Manufacturer's Suggested Age: 8 Years and Up Includes: marbles?? game board?? game pieces?? instructions Material: plastic</br>Playing Time: 30 minutes or more Number of Players: 1 Player Level of Difficulty: intermediate</br>Battery: no battery used:</br></br>Product Description</br></br>The ThinkFun Gravity Maze Falling Marble Logic Game challenges you and your family on 4 different levels: beginner?? intermediate?? advanced and expert with 60 different challenges. A marble game perfect for 1 person to challenge himself or herself as they build a path through the plastic towers to get the marble to the target. Game pieces?? marbles?? instructions?? game board and gravity included. Ages 8 and up.</br><br/>http://www.amazon.com/gp/product/B01JO9QK2E