Value Set: 10 colors, approximately 6mm in diameter, approximately 30cm in length, for a total of approximately 300 pieces. Premium Materials: The pipe cleaners are made of steel wire and fiber, allowing them to be bent, twisted, curled, and shaped in various ways. Great for DIY projects in kindergartens to foster intelligence and individuality. You can create toys, decorations, dolls, birthday cards, and more, depending on your ideas. Enjoy heavenly fun with your children; they can also be used by elementary school students for their work.