The Baby Einstein Ocean Explorers Opus’s Shake Soothe Teether Toy Rattle helps soothe sore gums and stimulate baby’s senses with multiple textures, bright colors, and a hidden rattle. 6 rings are easy for baby to grasp, and feature sliding bead chasers to engage infants at home or on the go. This colorful teething toy promotes color recognition and a hidden rattle rewards baby’s curiosity with every shake. BPA-free to ensure baby can safely soothe sore gums. Features Opus the Octopus from Baby Einstein Ocean Explorers programming. For infants 0 months and up.