Description:The round fraction contains 1, 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, 1/10, 1/11 and 1/12, a total of 51 pieces of segments with numbers on. (no magnetism)9 colors, each color identifies a different fraction. Help students visualize the fraction and learn multiplication and counting. Thick magnetic substrate, easy for educational demonstration on whiteboard or magnetic board, or for children to manipulate and self-educate. Ideal for ages 3+. Specification:Material:EVA Size Panel:Single Diameter: Approx. 9cm/3.54 inchPackage Included:51pcs Math Board FractionsNote:The color may be slightly different from the picture due to some factors such as lighting effect. Please allow slight measurement deviation for manual measurement.