Digital Smart Math Roller | Student Math Practice Toys
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Digital Teaching Stamp: Addition,Subtraction,Multiplication & Division Math Stamp, addition and subtraction within 100, can be adjusted flexibly, a fun and meaningful gift for your child!
Efficient and fast: Rotate and adjust column types, you can adjust 10 different queue sides. , you can quickly prepare math problems for your child at home. You can quickly complete the quiz simply by scrolling through the math questions.
Math model: free choice, 10 different queue modes can be adjusted to meet all addition, subtraction, multiplication & Division numbers from 1-100. Develop children's logical calculation ability.
Easy to carry: This addition and subtraction math stamp is small and exquisite, it can be reused many times by adding ink, the stamp is clear, and it will not fade after drying.