Let your little ones aged 2 - 8 have a blast with the HABA Kullerbu Melody Domino Fun Set! Made from sustainably sourced beech wood and lime plywood, this set includes a sound staircase, ball curves, ramps, columns, tracks, sleeves, domino staircase, dominoes, and balls. Watch as the wooden balls create music and knock down dominos on their exciting journey. The set's various heights ensure maximum momentum and can be combined with other Kullerbu sets. It's a great addition to the Kullerbu Track System, which is easy to assemble and offers endless play possibilities.