Roller Digital Teaching Stamp,Reusable Addition and Subtraction Seal Arithmetic Artifact

• Teaching Stamp Reusable ---- Small and exquisite, easy to carry, can add ink for reuse. The imprint is clear, and it dries and does not fade after printing. Product includes 4pcs digital teaching stamp, 2 bottle of ink.
• Digital Teaching Stamp Roller ---- Adjustable numbers, gently scrolling, Can efficiently and quickly print out less than 100 math problems.
• Math Skill Development ---- Rotate and adjust the column type, can adjust 10 different queue methods. Satisfy all addition and subtraction numbers from 1-100. Develop children's logical calculation ability.
• Quickly Addition, Subtraction, Multiplication And Division ---- You can quickly prepare math problems for your kids at home. You can print quickly by just scrolling through the math problems, and it dries quickly. Primary school students make one page a day to improve the speed and accuracy of oral arithmetic, cute and practical.
• Learning and Educatinonal Gift ---- Keep the kids busy and get yourself a moment of quiet when they need it. A fun and meaningful gift for your child or your friend's child!

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