Kullerbu balls get the ball rolling on exciting special effects in the tracks - specially made for these fun balls! When children roll the balls and play with the vehicles, they gain an understanding of physical relationships and statics.
Kullerbü tracks are specially made for these balls. When children roll the balls and play with the vehicles, they gain an understanding of physical relationships and statics. Kullerbü balls not only roll by themselves but can also be pushed along the tracks by the children.