Description This is a clockwork music box movement, mainly made of sturdy and durable material. Safe to use and easy to operate. Can provide your music box with better working performance. Made with exquisite craftsmanship and will serve you well. Features -Color:Silver -Material:ABS, iron -Size:5.00X4.50X2.00cm/1.97X1.77X0.79in - Adopting from good ABS, iron 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 sound power from the spring, with the key to tighten the spring, release can play. The full running time is 3-4 minutes. It's definitely louder and fuller when you put it in a box or on a surface! Package Includes:1 x Movement 1 x Clockwork Spring 4 x Screws Adopting from good ABS, iron 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