From Skip Hop this musical activity ball drop features: Grows with baby in two stages Stage 1 (6 -9 months): jellyfish spinners, seesaw eels, tentacle bead mover Stage 2 (9 months and up): drop-and-roll balls down slide; rewarding lights and music Nine sea-inspired songs and sounds Encourages motor skills and hand-eye coordination Helps teach cause and effect Coordinates with Skip Hop Seascape collection Approx. 11" long x 7.5" wide x 10" tall For ages six months and up 3 "AA" batteries required (included) Adult assembly required Imported.