Pound the four brightly coloured balls through the holes, then watch and listen as they roll, down the ramps. Sturdy wooden hammer included. Pound the four balls through the holes and watch them roll down the ramps. Brightly coloured, smooth-sanded pieces help build early shape, colour, and size differentiation skills. Sturdy wood construction. Size H25.53, W13.97cm. For ages 2 years and over. EAN: 0000772135597. WARNING(S):Only for domestic use.