4PC Roller Digital Teaching StampAddition, Addition, Subtraction, Multiplication and Division Roller Stamp， Teaching Math Practice Questions，for Preschool Kindergarten Homeschool Supplies (4PC Stamp)

4PC Digital Teaching Stamp Roller：Digital 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. y 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.