... to child,play nursery rhyme,teach English ABC OEM/OEM. Music pad for sound education toys books.Adhesive on books tell stories ... : plastic case(ABS),electronics insides,PCBA,batteries,printing sticker.Shape: Music note shape,Rectangle.Size: 226 mm x103mm x 22mm .Power ... pushing the buttons. Packing: each in oppbag,100 pcs/carton. Music pad for sound education toys books