Description This movement is made of premium material, which can withstand the long-lasting use. Features the alloy material, which has high durability, not easy to deform. Fine workmanship, it ensures the practicality. Features - Color: Silver - Material:Alloy - Size: 5.00X4.40X2.00cm/1.97X1.73X0.79in - Adopting from good alloy material, which is lightweight, with exquisite and good workmanship. - You can play the movement on the desktop, listening the pure tune, very interesting and comfortable. - The sound quality is clear and crisp, which brings you wonderful melody enjoyment. - This is the perfect musical stringed instrument gift, will bring surprise to your friends. - The music box movement can replace the old or broken original one, or just change a melody. You can also install the movement into a DIY box, such as wooden box, glass music box, plastic box. Use for either a wind up music box or use for DIY your music box, very easy to setup. When you place it in a box or on a surface and the sound will be definitely louder and clearer. If you are tired with hand crank music box and then this windup music box is your best choice. Psychology therapeutic function for kids and adults through listening to the soothing music.