Nest, tumble, WOW! Each TumbleRoo features a weighted base for wonderful wobbling, a concave top for nesting, and unique, subtle textures to feel and explore. Nest the smallest inside the other two - The moment you let go, the whole stack tips over and they all tumble apart, one at a time, to rock and wobble around and around. Little ones can't wait to nest and tumble again and again! Wiggly wobbly action is sure to launch the little ones into hours of tactile fascination with TumbleRoos. TumbleRoos Set of 3 wobbly toys to nest and tumble Encourages fine motor skills, spatial reasoning, tactile exploration Nest the smallest inside the other two Let go and watch them tumble apart and wobble, one at a time! Unique, subtle textures to explore Bright colors fascinate the eyes Includes 3 TumbleRoos - Large, medium, small Largest measures 4 inches in diameter, 4.25 inches tall BPA-free High-quality materials and construction