Uphome Creative Cuckoo Bird Door Chime - Kids Toy Room Bedroom Decorative Door Bell (Yellow) Enjoy fancy sound design of cuckoo doorbell brings to you Comes with 3M sticker,paste the 3M sticker onto the door,then stick the metal sheet onto the sticker,and then fix the cuckoo doorbell onto the metal sheet with its magnetic side. Color: white, yellow, turquoise, orange, silver Material: alloy, the magnet / Size: 3.92.81.6Inch(9.8x7x4cm) When doors open or closed,or when visitors knock at the door,the cuckook door chime will produce nice bell sound to remind guests.