Set imaginative gears in motion with this colorful and durable puzzle. Children can challenge themselves by setting interlocking gears into different logical and creative patterns on the puzzle board. Includes 48 gears and 30 interlocking gear pegs. Product Features Develop logic and creative thinking skills Provides play opportunities to bulid geometric patterns and 3-dimensional systems. Product Details Product Dimensions: 21 x 15 inches Shipping Weight: 9 pounds