This product is a set of chips. Made of plastic, and reusable, the surface is smooth and not easy to wear. Appropriate thickness and pleasant clear color. No burr edges, easy to use and operate. Ideal for recreational facilities, games, and educational use such as counting, math, and learning exercises. Features -Color:Assorted Color -Material: Plastic. -Diameter: About 19mm/0.75inch -Quality selection: Made of plastic with a smooth surface, reusable, not easy to wear, and can be used for a long time. -Fine workmanship: Suitable thickness and pleasant color. No burr edges, easy to use and operate. -Transparent appearance: The clear colored outlook looks beautiful and can quickly grab your child's attention. -A variety of colors: Provide a variety of different colors to meet a variety of usage scenarios or classification requirements. -Multiple purposes: Suitable for recreational facilities, games, and educational use such as counting, math, and learning exercises. Package list: 500 x Chips