3 - 7 years. Counting and sorting activities come to life with these adorable household pets! Also ideal for theme-based units and life science activities. Set of 72 rubber counters includes 12 each of a dog, cat, fish, rabbit, bird and guinea pig, all in a clear plastic tub with lid. Washable counters come in 6 bright shades for color identification activities and measure approximately 1 1/4"L each.