100% Brand New It is a Wind Up Golden 18 Note Musical Movement that use for either our Wind Up Wooden Piano Music Box or use for DIY your music box! You can buy it alone and DIY your music box， it is very easy to setup! Melody:I have Many melodies(Tunes) in stock，please leave me a note or a message to tell your choice.Otherwise，i will send you "Elfen Lied (Lilium)" as default.1.Elfen Lied (Lilium)2.Swan Lake3.Memory4.Love Story5.The Wedding March6.Spirited Away7.Amazing Grace8.Happy Birthday9.Blue Danube10.Kiss The Rain11.Edelwise12.Castle In The Sky13.For Elise15.Over The Rainbow16.Jingle BellsThythm:18 notes Material: Gold-plating MetalSize: About 5.0cm*4.5cm*2.0cm (1.97"*1.77"*0.79") How to use:The sound power from Spring，use the key to turn the Spring tightly，then release and will be playing Playing speed: 12-20" Full playing time: 2-3' Service life: >=500 times A cute gift for yourself or your friends， hope this music box can bring you happiness andyou enjoy a music life! In order to magnify the sound，you can touch the movement on something when playing!