Item Type: Math Operation Dice _x000D_Product Material: Plastic_x000D_Weight: Approx. 89g / 3.1oz_x000D_Color: White_x000D_Product Size: Approx. 16x16x16mm / 0.6x0.6x0.6in 1What You Get: There are 20 mathematical operation dices of the same size and color. Made of plastic, these dice have excellent impact resistance, ensuring they won't damage the tabletop. 2Wonderful Design: Math operation dice makes math learning become easier, novelty design can attract student's interest, help them learn math while playing. 3Easy to Read: Each surface of the multi faceted dice is printed with arithmetic operations for easy reading and easy to identify geometry. 4Size: Each dice measures approximately 1.6x1.6x1.6cm, with compact and apropos size designed that it convenient for you carry them to anywhere. 5Wide Application: the dice set are suitable for classroom accessories, home teaching and math learning, it can also be applied to parties or playing with friends at home or at school with classmates indoors.20 x Math Operation Dice