18 months & up. This colorful Wooden Spiral Hammer Tower will help young children strengthen and refine their fine motor skills and hand-eye coordination. Place each ball in the hole with the corresponding color at the top of the tower then use the hammer to knock the ball through the hole. Watch as the balls spiral down the colorful stairs and come out the bottom. A simple game that will keep children entertained as they learn colors and cause and effect. Includes tower, 3 balls and 1 hammer. Tower measures 10.5"H x 6.75"D.