Description: - Clockwork Musical Mechanism Movement for DIY Music Box. - How to use: Screws the key underneath the movement, it will after you wind up the key - You can install the movement into a DIY box, such , wooden box, , plastic box , you can create your own music box - A cute gift for yourself or your friends, hope this music box can happiness you enjoy a music life! - Note: You have to place it on a flat surface for volume to beSpecification: - Material: Iron - Size: Approx. 5.5x4x1.5cm/2.16x1.57x0.59inchPackage Includes:1 Piece Music Box MovementNote:Color might be slightly different due to the color calibration of each individual monitor.Please allow slightly measu deviation due to manual measurement.