When placed inside a box or on a surface, the sound of the music box mechanism becomes louder and richer, providing a fuller auditory experience. This feature makes it ideal for DIY projects, allowing you to your own music box with enhanced sound quality. Enjoy the soothing tunes and watch the gears turn effortlessly. Features -Color:Black -Material:Metal, Plastic -Size:5.00X4.50X3.50cm/1.97X1.77X1.38in -For stress: watching the gears turn and listening to the soothing music can provide a calming and relaxing experience for stress -DIY friendly: ideal for diy enthusiasts, this music box mechanism can be easily integrated into projects, adding a personal touch to your creations -Construction: made with materials, this music box mechanism ensures performance and reliability -Compact design: its compact size makes it easy to incorporate into or simply enjoy as a piece on your desk -Present: this music box mechanism makes a thoughtful and unique present for music lovers, diy enthusiasts, and fans of Package list: 1 x Music Box Movement