Any child ages three months and up is sure to love the Skip Hop Roll Around Rattle Hedgehog. These rattles are extremely easy to grab on to and have a familiar face to help engage your little one in play. Since they are BPA-free, Phthalate-free and PVC-free, you can rest assured your little one is safe when they chew on the rubberized details during teething. The rattles have a flexible body and ample openings that help your little one build dexterity while playing. The rattle inside helps encourage tossing, shaking and rolling, while the beads give them something to touch and explore.