2 years & up. Toddlers will love 'monkeying around" with these whimsical monkey stackers. With multiple colors of monkeys, you can color sort or count by colors. Toddlers can practice fine motor skills, learn pattern and color recognition and spatial reasoning, all while having fun. Includes 25 chunky monkey stackers (2.63" Tall), 36 hole crepe rubber pegboard, and activity guide.