The beautiful music box was given to her, which was the biggest surprise she received; she could not imagine what a good music storage box it was. Fantastic design, pink lining, a lot of built-in space for the music box, you can put your favorite jewelry or any other precious items in it.. No battery is needed, which is so convenient; you only need to tighten the clockwork on the back of the music box, open the music box and you will see the ballerina turning and making a beautiful piano sound. The music jewelry box is made of fiberboard, which is stronger than other cardboards. Product size: 4.13*4.13*3.34 inch. Tune: 《Happy Birthday》