<p>Welcome to the store!</p>1、Battery powered: The music mechanism's movement is battery powered, 1 AA battery (not included), easy to use. 2、Calming music: Take this little music movement, unwind it, watch the small gears swing and listen to the music that can calm your ears. 3、DIY: You can install the mechanism in DIY boxes, such as paper, wood, glass, plastic and metal boxes, and you can create your own music box. 4、Small and exquisite: 18 tones music mechanism movement small and exquisite, suitable for adults and children, suitable for music lighting. 5、Perfect gift: The music box's mechanism is the perfect Christmas, thank you, or anniversary gift for your friends, family, colleagues, etc. <div><p></p><p></p><p></p><p></p><p>Product type: DIY Clockwork Music Box Material: Acrylic, Alloy Product usage: Suitable for birthday gifts, musical lighting, etc. Battery: 1 AA battery (battery not included) Size: Approximately 5 x 4.5 x 2.3 cm / 2.0 x 1.8 x 0.9 inch</p><p></p><p></p><p></p><p></p></div> <p>1 x battery box (battery not included)</p> <p>1 x mechanism</p> <p>4 x screws</p> <p>Your 100% satisfaction is our highest priority. We will provide you with the best service. If you find any issues after receiving the product, such as damage or incorrect quantity etc., please contact us immediately so we can provide you with the best solution!