3 years & up. Designate spaces in the classroom and outside with these Colorful Assorted Rainbow Cones for Indoor and Outdoor Recreational Uses. These sturdy, durable cones are great for activities involving zones or bases. Encourage children to identify the color of the cones they are assigned to before going to them. These cones promote gross motor skills and color recognition. Set of 6 rainbow colored cones. Measures 9"H.