When the wheel turns, the wooden balls inside the Walk N Roll hit the panels — creating a fun and exciting sound. Children can gain self-esteem by learning to walk on their own two feet! Push the Walk N Roll across flat surfaces and listen to the inside bells jingle as you move. Designed to develop gross motor skills, hand-eye coordination and physical strength. Sustainably made in Thailand using chemical-free rubberwood, formaldehyde-free glue, organic pigments and water-based dyes. Measures 6"W x 4"L x 22"H. Ages 12 months and up.