Welcome to our store！</br> 1、Mix Math and Exercise: This dice turns math into a fun game. It can attract children to learn addition and subtraction while playing the game. Helps develop children's intelligence for early childhood education. 2、With Clear Numbers: The text on the surface of the dice is number, and the numbers on the dice will not wear out and are durable. 3、20PCS: This addition and subtraction dice set is shipped with 20PCS and the dices has 2 different colors, which can meet the needs of teaching use. 4、Selected Plastic Material: This six sided dice set is made of premium plastic material, which is durable and has long service life. 5、Small in Size: The dice cube is 16mm and it is small and lightweight so that it is easy to store. Helps with various math activities at home or at school. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Dice&nbsp;Learning Aid Material: Plastic Gross Weight: 94g / 3.3oz Product Size: 1.6x1.6x1.6cm / 0.6x0.6x0.6in Applicable to: Math Teaching <style> .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; }</style> 20 x&nbsp;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</br>