Roller Digital Teaching Stamp

It's a unique gift idea. Feature: 😲 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, easy to use and fun Specification: Material: PVC Shape: Square Weight: 150g Size: 44*30*48mm Imprint: 20*4mm Color: pink, blue Package includes: 1/2 *Roller Digital Teaching Stamp (Contains a bottle of ink)