Description The dice is not only an interesting math sign dice learning prop, but also it's a novel educational plaything for your children. The math sign dice is made of acrylic material, which can be used for a long time. You can send the acrylic dice to your families and friends as a gift, they will be happy. Features - Color: Black -Material:Acrylic - Size: 1.50X1.50X1.50cm/0.59X0.59X0.59in -Educational math game: these dice are perfect for learning arithmetic and math concepts. -Stylish design: the dice come in a beautiful color, adding a touch of elegance to your teaching materials. -Improve calculation skills: by using these dice, students can practice addition and subtraction in a fun and engaging way, enhancing their calculation abilities. -Abundant quantity: with enough pieces in a set, you'll have enough dice for multiple students or various activities. -Versatile use: these dice are suitable for both educational purposes and recreational games, making them a versatile teaching tool. Package list: 20 x dices