The Baby Einstein Ocean Explorers Kick to It 4-in-1 Musical Swing & Rocker offers 4 ways to engage and soothe baby from birth to age 2: infant swing, rocker seat, tummy time mat, and takealong piano toy Detachable piano toy engages baby as they swing or play on the go; baby’s kicks or taps are rewarded with dancing lights and 56 melodies and sounds Multidirectional seat rotates 180 degrees and has 3 swing directions; 2 recline positions for baby’s comfort; use swing for infants up to 20 lbs Swing features 12 melodies and sounds; 6 speeds automatically adjust to baby’s weight; transform the swing into an infant rocker in 1 easy step or detach seat pad for tummy time play Dimensions: 34.25 x 29.53 x 36.22 inches; Piano requires 3 AA batteries; Swing powered by USB port (adaptor not included); Machine washable seat pad; Swing 0-20 lbs