This is a marble track with a sound staircase.As soon as the ball rolls over the colorful staircase, you hear music.The marble track also contains dominoes that you can place on the domino staircase.Fun when these stones are knocked over with a lot of noise.Fun guaranteed! The elements from this marble track can be combined with all other marble tracks from Kullerbü.The sound staircase of this marble track is also drivable with vehicles.