DescriptionThis is a math teaching dice, which is made of nice acrylic material. The good acrylic material can support long lasting use which is cost-effective. Help leaners learn math in an interesting way. And the size is small for you to carry. Don't miss it!Features-Color:Assorted Color -Material:Acrylic-Size:1.60X1.60X1.60cm/0.63X0.63X0.63in-Made of great acrylic material, it is durable and safe for long lasting use. Small and lightweight, easy to carry.-Send this creative math dices to your friends as a present, making them happy. -The Math Operation Dice is an interesting learning prop, which can give much more joy to leaners . -Great photography prop for you, use it to take some interesting pictures with your friends. -They will be make your leanersmore focus on the teacher's tutorial. Good gift choice for math leaners .