The Nasco PE07377E "Whale Skin" Special ball provides students in grades K through 12 a tool to exercise and improve motor skills. This ball has a diameter of 8-1 2 inches, ideal for use with young children or in adaptive physical education classes. The outer skin is coated with a rough texture for durability and grip. The ball is constructed of high density foam for firmness and low bounce. This product comes as a set of six balls in assorted colors.Nasco manufactures and distributes a range of products for use in education, arts and crafts, healthcare, agriculture, research, and industry. The company, founded in 1941, is headquartered in Fort Atkinson, WI.