Award Winning Hape Totally Amazing Roller Derby Wooden Marble Racing Toddler Toy Colorful wooden balls, peek-a-boo holes and fast tracks create a dual-sided mountain of fun Encourages parents to talk with their children about the different concepts (fast, slow, back and forth) as the balls rolls down the tracks A bell chimes when the balls reach the end of their trip Hape toy finishes are all non-toxic, child safe and of the highest quality Recommended for children ages 12+ Month