The Baby Einstein Ocean Explorers Kick to It Opus Musical Infant to Toddler Rocker transforms from an infant rocker seat to a stationary chair and toddler rocker to give baby an engaging, comfy spot to relax and explore. Baby-Activated Setting rewards baby's kicks with dancing lights, 25+ melodies and sounds. Parent-Activated Setting engages baby with 30+ minutes of playful music and gentle lights. Baby will love to bathe and reach for the 2 dangling toys or enjoy relaxing vibrations. As the baby grows, the infant rocker transforms into a cozy, stationary seat and again into a toddler rocker. Removeable seat pad is easy to clean. The maximum weight for use is 40 pounds. Not intended for infant sleep. Dimensions: 27.3 H x 19.7 W x 23.3 D inches. Requires 2 Aa batteries not included.