Quickly Addition and Subtraction: You can quickly prepare math problems for your kids at home. You can print quickly by just scrolling through the math problems, and it dries quickly. Primary school students make one page a day to improve the speed and accuracy of oral arithmetic, cute and practical.
Easy to Use: Adjustable numbers, gently scrolling, Can efficiently and quickly print out less than 100 math problems.
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.
Reusable: Small and exquisite, easy to carry, can add ink for reuse. The imprint is clear, and it dries and does not fade after printing.
Package Includes: 1 x Math Teaching Roller Stamp, 1 x 5ml Ink.
