Haba Kullerbu Melody Dominoes SetLet's go on a swinging Kullerb adventure from HABA! The Melody Domino ball track brings music into play. When the balls roll down the sound stairs , a happy sequence of tones sounds . Vehicles can also drive on the sound staircase. Two large banked curves provide extra momentum. The colorful wooden stones are already ready on the domino stairs . The Kuller ball knocks over the dominoes with a roar . The melody domino set can be combined with all