30 Note DIY Auto Motor Electric Music Box Movement + 5Pcs Refill Blank Paper Strips Puncher for Your Own Songs Love music boxes but never seem to be able to find the song you really want? This item can help you DIY your favorite music box. Write your musical note on the paper strip, and use the puncher to punch the holes. When you put the paper strip in the movement,the power will be connected automatically. Type: 30 Notes; Material: Alloy+ABS Plastic; Input: 4.5V, needs 3 AA batteries (not included) Music Movement Demension: 15cm*7cm*3cm(Approx.); Strip Size:66cm*7.0cm(Approx.) Package Include: 1*Auto Music Movement+1*Hole Puncher+5*Blank Strip