Neptune’s Kick and Explore Musical Kick Pad helps baby learn music, shapes, numbers, and colors. Features 5 kick buttons to activate lights, music, and sounds. Stimulates cause and effect learning as baby’s kicks make lights dance to the beat 3 Modes of play: Baby can explore songs in Melody Mode or use Piano Mode to create original compositions with marimba sounds. Discovery Mode helps baby learn colors, numbers, and shapes Soft, colorful mat adapts to baby’s growing needs 3 ways. Attach to a crib for reclined play or detach for older infants during tummy time and seated floor play. Surface wipes clean and pad features volume control Features Neptune from Baby Einstein Ocean Explorers show Product dimensions 15.75 x 1.38 x 10.63 and requires 3 AA batteries