Description This baby music mobile is made of ABS, fit for babies under 5 year's old. It's a windup movement musical mobile, which can be installed on baby's bed with arm (not included). 18 Note Wind-up Music Box Included Inside, hook will rotates while playing music, you can pause while playing. Wind up music box without energy consuming. Playing speed: 12-20"; Full playing time: 2-3';Service life: =500 times This baby crib mobile music box comes with 6 stickers which have cute cartoon animals printed. You can stick them on the surface of the music box as you like. Features 1. Light music helps your baby easier fall asleep 2. Music may even help strengthen premature babies 3. Music plays a crucial role in ‘wiring’ your baby’s brain for learning. 4. Listening to music will help teach your infant about patterns and sequence, and about rhythm, beat and tone which are useful for problem-solving and reasoning. 5. Early music exposure can help promote critical listening skills, language and literacy, creativity and coordination. 6. Lovely and colorful stickers let your baby exercise the perception of their eyes by enhancing cognitive ability of figures and colors. Specifications Color: White Material: ABS And Metal Music Box Inside Size: Approx. 12cm*7cm*3cm(4.72"*2.75"*1.18") Weight: 140g Playing speed: 12-20" Full playing time: 2-3' Service life: =500 times Tunes: BRAHMS LULLABY (by BRAHMS,J.) / YOU ARE MY SUNSHINE ( by MITCHELL C./DAVIS J.) 6 cute little cartoon animal stickers, diameter is 6.5CM Note Baby Crib Holder not included. Package Includes 1 x Baby Crib Bell 6 x DIY Sticker