Soothing is simple and fun with a grow-with-me mobile. Up to 20 minutes of music plays and 6 soft ocean friends gently spin overhead to enhance hearing and visual skills. Moves from crib to the floor to keep baby entertained all around the house. Enhance eye-tracking ability & visual skills Foster listening skills with soothing music for bedtime, playful tunes for fun time.Boost fine motor skills with rollerball, clacker wheel & more. Comforts baby & helps maintain a consistent bedtime routine. Requires 3 C batteries, not included.