Multi-sensory teether – Promotes sight, sound, and touch engagement with brightly colored rattle beds, and 8 touchable and teethable textures Sparks curiosity – There’s plenty here to keep baby curious and engaged while they get some soothing relief for their sore gums Introduces cause and effect – The bubble-pop over the Opus the Octopus character is fun for baby to press and helps them begin to understand cause and effect Made for little hands – The black-and-white handle is easy for baby to grip, so they can take their favorite teether with them on the go Safe easy to clean – Made with BPA-free materials that wipe clean. Chillable and suitable for teething and soothing sore gums. Appropriate for children ages 3 months and up.