Features:this toy is held in the baby bed， rich colors may araise their curiosity.while twisting， the switch will slowly rotate， with light music playing and light flashing.Power source: 2 x AA batteries( not included)Gross Weight: 1.0KgColor Box Package Size: 58x32x5cmlight music songs as below :1.Hush Little Baby2.Down the Mountain Side Go3.TGOLDkle TGOLDkle Little Star4.Home on the Range5.The Muffin Man6.Spring Is Coming7.Oh! My Darling8.Did You Ever See A Lassie9.Rockaby Baby(Rockaby )10.Three Blind Mice11.The Farmer in The Dell12.Bingo