★I made this mobile with thick felt,Good quality and environmental protection material.The sides of these geometries are 8CM;The length of the wood rod are 40cm,25cm,20cm. If you want to customize the size, please contact me.★Black and white can catch a baby’s attention. ★The two knots of the string attached to the white ring can adjust the length.So you can easily adjust the distance between the Munari and the baby. ★Made with the trunnion raw untreated wood, cardstock, Oeko Tex certified yarn and non-toxic glue. ★The Munari mobile is the second mobile in the Visual stimulation of the baby. Its geometric shapes have been selected to prepare for the development of understanding three dimensions, geometric shapes and their relationships.★Around 5/8 weeks – child begins to discriminate against the white and black colors. ★Mobiles should be securely fastened and out of reach of children. ★If you want to customize any color and size, please let me know your idea. ★★Ship time: United States:General 8 – 15 days can be reach. Other countries need 15-25 days .( During Christmas will be late than expected ).