ZMURED 4PC Roller Digital Teaching Stamp Addition Subtraction Multiplication and Division Roller Stamp Teaching Math Practice Questionsfor Preschool Kindergarten Homeschool Supplies

4PC Digital Teaching Stamp RollerDigital Teaching Stamp Roller Addition subtraction multiplication and division gently roll the stamp and quickly present arithmetic problems within 100 and arithmetic is easier to replace arithmetic cards The handwriting is very clear Easy To Use The numbers can be adjusted easily and the arithmetic changes can be realized by gently rolling which is the best gift for children Improve arithmetic skills learn with interest and win at the starting point Combination of Interest and Learning arithmetic is no longer boring easy to practice anytime and anywhere and become a partner with arithmetic in fun practice makes perfect combining interest and learning improve logical calculation ability Reusable If the handwriting becomes shallow you can remove the black plug next to it and add it as needed and then stand still for a few minutes to clearly show the arithmetic which is convenient and simple BEST GIFT Each roller digital teaching stamp comes with a beautiful box which is the best gift for Christmas birthday parties kids and parents will be more happy