Melody: Lara's theme by Maurice Jarre from Doctor Zhiyago Wind up the key for music play, no battery needed About 7.0cm*5.6cm*2.4cm (2.75"*2.2"*0.94") Music sound very sweet, good for fun 30 Note musical movement for replace your music box,for DIY musical box 30 Notes music movement,for DIY musical box

Futures:
Thythm:30 Notes,Note: The music movement just play a part of song ,not play the whole song.
Dimension: About 7.0cm*5.6cm*2.4cm
Model:Wind up
You need to windup the key for music playing
Musical mechanism for DIY your music box,very easy to setup!