Hleeduo&reg; 20 Notes Will Accept Punched Tune Strips Music Movement Make Your Own Music Box Include a Punch and 3 Music Papers, 1 Has Musical Note and 2 Are Blank and You Can Create Your Own Song! And You Can Also Use a Thickness Paper to Create Music Paper! Create your own musical melody Punch holes in the paper strips provided Happy birthday melody included to get you started Play any song you wish Paper strip refills also available