Description: - balls are pushed down through the softly lined holes. - The comes with balls , yellow, green. - Made of ecofriendly natural wooden, and paint play. - It improves the child's manipulative skills ir understanding of object permanence - use: child into the hole in The ball will roll out of and into the attached tray thus allowing the child to experience object permanence by seeing that the ball just disappear.Specification: - Material: Wooden - Ball Color: Yellow - Ball Diameter:4.4cm/1.73inch - Board Size:25x13.5x11.5cm/9.84x5.31x4.53inchPackage Includes:1 Piece Montessori Wooden 3 Pieces BallsNote:Please allow slight dimension difference due to different manual measurement.