The Baby Einstein Ocean Explorers Kick to It Opus Infant to Toddler Rocker is a unisex, infant rocker and stationary seat that transforms into a toddler rocker as baby grows. 2 settings: In Baby-Activated, babys kicks are rewarded with lights and 25+ melodies and sounds. Parent-Activated plays 30+ minutes of music with dancing lights. Features a removable toy bar with lights, music, 2 dangling toys, and vibration setting to help entertain infants. Detach the toy bar to transform the infant rocker into a comfy, stationary seat for older babies, or to convert into a toddler rocker. Maximum weight for use: 40 pounds. Requires two AA batteries (not included). Soft seat pad features an ocean theme fabric and is removable for easy cleaning. Assembled dimensions: 27.3 x 19.7 x 23.3 inches.