Feature 1DIY: Music box movement can be put into paper boxes, wooden boxes, glass boxes, plastic boxes and metal boxes to successfully make a unique diy octave box. 218 Notes: Music box parts use 18 notes to play music Castle in The Sky, the sound is crisp and pleasant, a good choice for a family octave box. 3Easy To Operate: Clockwork music box movement sound power from the spring, use the key to tighten the spring, loosen, the music will start to play. 4Relaxing: Musical mechanism movement offers therapeutic features for children and adults. Watching the little gears move and listening to the music soothes the ears. 5Perfect Gift: Music box parts is a meaningful gift for yourself and your friends during the holidays. Made of premium alloy for durability.Item Type: Musical Mechanism MovementMaterial: AlloyProduct Use: Suitable For Gifts, Etc. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Music Movement4 x Screws1 x KnobSwitch