Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. specification: _x000D_Item Type: Maze Game_x000D_Material: Wood_x000D_Product Size: Approx. 27.5 x 23 x 6cm / 10.8 x 9.1 x 2.4in_x000D_Steel Ball Size: Approx. 0.95cm / 0.4in_x000D_Functions: Left and right brain development, exercise balances ability, observation and concentration ability_x000D_How to Use: Turn the control buttons on both sides to control the balances of the two layer inner grids, so that the steel ball rolls along and avoids falling into the trap until the end (the steel ball is only 0.95cm large, please play under parental supervision when children play). Features: 1Adopts natural and high quality wood material, safe and firm, stable and durable for use. 2Rounded corner grinding process, the edge surface is slick without burrs, won't hurt skin. 3Exquisite design, twists and turns of the labyrinth line, there are small rolling balls, two control knobs are the tools you manipulate. 4Help exercise hand?eye coordination and develop left and right brain, exercise balances ability. 5An unique and interesting board game, cultivate observation and concentration ability, perfect gift for friends. PackageList: 1 x Maze 2 x Ball