YouTang Wooden Music Box Musical Piano, DIY Make Yr Own Song Include a Punch and 3 Music Papers, 1 Has Musical Note and 2 Are Blank and You Can Create Your Own Song! Create your own musical melody Size:12.8*7.5*13.8cm/Approx:5*2.9*5.5inch Include Hole puncher, 3 paper stripes(2 blank,1 with melody ) High quality wood,warranted by Youtang Good choice for gift This is the back of the piano music box, the paper stripe out from this hole The piano cover can be opened, you can see how the movement work, it&#039;s really funny