The butterfly key is a crucial component for anyone involved in the DIY repair or creation of music boxes. Its sturdy construction ensures durability, while its user-friendly design makes winding the clockwork mechanism a breeze. Attach the key to the winding mechanism and turn it to bring your music box to life. This key is ideal for those who appreciate the box craftsmanship and want to ensure their creations play every time. Features -Color:Multi -Material:Metal -Size:5.50X4.80X0.80cm/2.16X1.89X0.31in -Creative crafting: the butterfly key diy music box lets you enjoy the fun of crafting, creating a unique and music box that reflects your style - sound: equipped with a eighttone mechanism, it delivers clear and melodious tunes, providing a delightful auditory experience -Ease of use: the winding mechanism and key knob handle are designed for simplicity, making it easy for anyone to create their own music box -Adorable design: the is both elegant and cute, making this music box a favors or a charming addition to your decor -Versatile applications: ideal for home decoration, birthday presents, valentine's day presents, and more, this music box adds a touch of elegance and joy to any setting Package list: 20 x music box handle key