Description This is a children math signs teaching dice, which is made of nice acrylic material. The good acrylic material can support long-lasting use, which is cost-effective. Help your kids learn math in an interesting way. And the size is small for you to carry. Don't miss it! Features -Color: Random Color -Material: Acrylic -Size:1.60X1.60X1.60cm or 0.63X0.63X0.63in -The diceis made of sturdy acrylic material, which can be used for a long time. - You can send the math dices to your families and friends as a gift, they will be happy. - This kids dice is a math learning prop, which will make your kid very joyful and pleasant. -Widely used for parties, board games, play, or anywhere else you can think of, the dice has a wide application. - Polished well, smooth and no burrs, perfect and fun math plus or minus sign learning tools for your kid.Package list: 20 x Acrylic Math Dices