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Digital Teaching Roller Stamp : - Adjustable numbers, gently scrolling, Can efficiently and quickly print out less than 100 math problems.
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Math Skill Development : - Rotate and adjust the column type, can adjust 10 different queue methods. Satisfy all addition and subtraction numbers from 1-100.
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Learning And Educatinonal gift : - keep the kids busy and get yourself a moment of quiet when they need it. So, it's a great gift for our kids and even for parents.
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Good Quality : - photosensitive process, clear stamping, Print thousands of impressions without losing the original quality,Strong ABS plastic components and housing.
