Handmade Felt Pink Rainbow Nursery Mobile can keep your baby calm and help your baby fall asleep easily. You can use it as a wall décor, as well. Helps in baby's Mental, emotional and physical development through high-contrast stimulation and hand-eye coordination. The Colorful Cotton Ball Wool Ball Felt Ball Developing Your Baby’s Eyesight And Hand-Eye Coordination. Help Visual And Early Childhood Intelligence Development. Great gift and perfect decoration to add visual and developmental stimulation to your baby's nursery. This is not a toy, Please keep out of reach of baby at all times. You can hang from the ceiling or you may need to purchase an arm for the mobile. The Mobile Holder For Crib Needs To Be Purchased Separately. DIMENSIONS: Diameter of the top hoop 10 inches We are committed to quality products and excellent service: If you are not satisfied with our products for any reason, please feel free to contact us. Love, Aydan