Hape Totally Amazing Roller Derby Wooden Marble Racing Toddler Toy

DOUBLE SIDED FUN: Colorful wooden balls, peek-a-boo holes and fast tracks create a dual-sided mountain of fun that helps learn about momentum and color BELL CHIMES INSTRUMENT: When the colorful wooden marble balls reach the finish line a bell chimes to celebrate the end of the race DEVELOPMENTAL SKILLS: Encourages parents to talk with their children about the different concepts (fast, slow, back and forth) as the balls roll down the tracks SAFE TO PLAY WITH: Rounded edges, made from sustainably sourced wood and compliant with safety and quality standards COLORFUL WOODEN BALLS peek-a-boo holes and fast tracks create a dual-sided mountain of fun.