Kullerbü pros know that rolling is even more fun when it comes with musical accompaniment. So it’s high time that we combined two sound artists. The ball tracks Klingeling and Sim-Sala-Kling have a variety of exciting effects. As “From the track to the ear” as Ball Paul rolls over the sound staircase, past the bell rocker and gate, and then speedily down the various steep curves. The perfect sound combination and a real highlight for all the senses!