Clever rollers to create tactile number lines in playdough, clay, or sand. Includes 6 designs for counting or creating scenes. Ideal for creating frames for simple counting (1-5 or 1-10) or for making attractive scenes that can be rolled repeatedly. Children will be prompted to ask questions and expand their math vocabulary. Each set is made from a durable stone mix with six rollers measuring 2¾” high. Ages 2+