Sim-Sala Kling brings musical fun to Kullerbu playtime! With lots of interchangeable parts, kids can alter the heights for maximum momentum and fun! The Sim-Sala-Kling Kullerbu set makes a get introductory set, for the Kullerbu system. Includes: 1 bell archway, 1 wavy curve, 2 steep ball curves, 1 jingle stair, 1 curve, 2 straight tracks, 1 ramp, 7 columns, 13 connecting elements, 1 start block, 5 colorful domino blocks, 1 ball Paul, 1 effect ball, 1 regular wooden ball.