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Highlights
Adjustable numbers, gently scrolling, Can efficiently and quickly print out less than 100 math problems. A fun and meaningful gift for your child or your friend's child!
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.
Small and exquisite, easy to carry, can add ink for reuse. The imprint is clear, and it dries and does not fade after printing.
