SUBTRACTION MATH STAMP ROLLER

DESCRIPTION :
Features
Adjustable numbers, gently scrolling, quick questions, no need to pay high prices for math questions
Rotate and adjust the column type, can adjust 10 different queue methods
Primary school students make one page a day to improve the speed and accuracy of oral arithmetic, cute and practical
The imprint is clear, and it dries and does not fade after printing. Add printing oil, which can be used repeatedly, is easy to use, and fun
Specification:
Style: subtraction
Size: 19.5*6.5CM
Blot: 4.5CM
Material: PVC
Color: Blue (Additive) Pink
Package includes:
2* Roller Digital Teaching Stamp + 2*Ink