DIGITAL TEACHING STAMP ROLLER
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!
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.
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. Small and exquisite, easy to carry, can add ink for reuse.