Little ones will love to play with this soft 4.5" rainbow world ball. It's easy for little hands to grasp and features colorful images. Great for developing motor skills and hand-eye coordination. Great for babies 6 months and up. Easy to clean cover is made of plastic and filling is polyester. Measures 4.5" in diameter and about 12.5" in circumference. Animals and picture stimulate language development. All HABA toys are rigorously tested to meet US and European Federal safety standards.