The Baby Einstein Ocean Explorers Kick to It Neptune Musical Bouncer rewards baby's movements and exploration with lights, music, and ocean sounds. In Baby-Activated Mode, baby's kicks trigger lights and music to engage and support cause-and-effect learning. Parent-Activated Mode plays 15 continuous classical and Baby Einstein Ocean Explorers melodies. Crab toy with baby safe mirror, starfish rattle, and 6 Taggies encourage motor skill development while promoting self-discovery. Removable headrest included for extra support. 3-point harness keeps baby secure. Removeable seat pad cleans easily. For use by children up to 20 pounds. Assembled dimensions: 26.2 x 20.6 x 24.1 inches. Requires 3 C batteries not included.