Baby musical mobile for baby under 5 year's old.It's a wind-up musical mobile,which can be installed on baby's bed with arm,and it can rotate with music when you turn the spring tightly and then release. Product details:A.Material:ABS,eco-friendlyB.Size: 7*7*2.7cmC.There are 7 tunes for you to choose from,they are:1.Chim Chim Cher-ee by Sheman RI.2.Hush,little baby3.Mozart's lullaby4.Rock a bye baby5.Schubert's lullaby6.Teddy bear's picnin7.Brahms lullaby. We are manufacturer in China,welcome wholesaler and retail.