This Roller Derby Maze with brightly colored wooden balls, look through holes, and quick tracks make a 2-sided mountain of entertainment for the kids to enjoy. Fast, in-out fun, as you observe the balls skyrocket down the tracks. Your youngsters will love viewing the balls and the vanishes while playing peek-a-boo the whole time. A bell chimes at the track’s end. Kid-safe safe paint and designed for durability, with strong wood, that you’d expect from the makers of Hape toys. Roller Derby Rolling Mazes strengthen children through every phase of growth and development and help sustain and create their characteristic capabilities.