This item is a set of 100pcs colorful math counting rods, which has vivid colors deepen babies& 39; recognition of colors. It can cultivate baby& 39;s operating and thinking ability, let babies learn and grow up in the process of playing wooden counting rods. Features - Color: As shown. - Material: Wood. - Size: Approx 8x0.3x0.3 cm. - They have a smooth finish and clean cut. - It makes learning fun, enriches the child imagination, stimulates children& 39;s logical thinking,improves children hand eye coordination and learning ability. - It is suitable for home preschools and kindergarten.You can teach baby addition, subtraction, division, multiplication. - Great for kids& 39; color recognition, geometric shapes learning, and math skills beginning. - Notes: Suitable for children over 2 years old.