ELKHART — Hively Avenue Preschool is competing to win a playground made from recycled oral care waste through the third annual Recycled Playground Challenge, courtesy of Colgate-Palmolive, Meijer and TerraCycle. Hively Avenue Preschool will earn one "Playground Credit" for each unit of oral care waste, such as empty toothpaste tubes and floss containers, sent to TerraCycle for recycling. A unit is defined as 0.02 pounds of used, post-consumer oral care products and packaging. An additional credit is earned for every online vote cast for the school at www.meijer.com/colgate by June 30. The grand prize is a playground made from recycled oral care waste collected through the Colgate Oral Care Recycling Program, a free national program operated by Colgate and TerraCycle