Welcome to our store 1Wide Application: Teaching dice set is 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. 2Compact Dice: The dices are 16mm in size. The compact size make it convenient for you to carry. You can put them in your pocket or bag. 3Easy to Read: Teaching dice is printed with clear signs, including minus signs and plus signs for easy reading and easy to identify geometry. 4Engraved Symbols: The mathematical symbols on the dice are engraved, and the symbols on the dice do not wear out and are durable. 5Plastic Material: Made of premium plastic, the math operation dice are odorless, light in weight and resistant to wear and tear. It has a long service life. Item Type: Dice Set Material: Plastic Weight: Approx. 84g/2.96oz Size: 1.6x1.6x1.6cm/0.63x0.63x0.63in Application: Math Teaching .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 20 x Dice Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice