Little Kids Love These Balls. Wonderful brightly colored thematic 4 PVC balls come in a variety of themes and are certain to delight little children. They are perfect for all kinds of indoor and outdoor play and make for a great first ball for little ones learning to roll, throw and to play catch. * For Ages 3+ * 4 in diameter * Made of phthalate-free PVC * Kid-Safe All Crocodile Creek products are of high quality durable materials and are thoroughly tested to assure they are always kid-safe.