Mathematics Table Roller Stamp Math Practice Questions Number Roller Type - Pack of 1 - Random Color

Digital Teaching Roller Stamp --- 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. Easy to operate the math questions can appear in front of you by scrolling the stamp, which can be adjusted, and the questions can be changed by gently twisting the button, and the questions will be randomly selected.