The wind-up music box movement with winding key is for creating soothing for babies. This mechanism can be easily installed toys, transforming them into comforting musical companions. Simply wind the key to activate the music box, and let the gentle lull your little one to sleep. Ideal for DIY projects, ensuring you have a spare for future use. Features -Color:White -Material:ABS -Size:5.60X4.80X2.60cm/2.20X1.89X1.02in -Convenient winding key: the music box mechanism comes with a winding key, making it easy to use and ensuring smooth operation every time -Soothing baby toy: this music box serves as a calming toy, helping to soothe and relax babies, making it easier for them to fall asleep -Rotating plush toy accessory: the rotating feature adds an element of fun, making the plush toy more engaging and enjoyable for babies -Dual replacement parts: allowing for easy replacement and extending the overall lifespan of the music box - design: crafted with precision and care, this music box makes an ideal present for friends and family, showcasing both beauty and functionality Package list: 4 x Music Box Movement