Number Rolling Stamp Roller Stamp Addition And Subtraction Question Within 100 Teaching Questions

Label:Yes Name: Mathematics Teaching Roller Seal Model: Addition, Subtraction,Multiplication,Divison Stamp size: 44x30x48mm/1.7*1.2*1.9in Color: Pink, Blue Material: PVC Type: Roller Stamp Brand New and High Quality Blot: 20x4mm Package Included: 1 * Math Teaching Rolling Stamp 1 * Ink 1 * Storage Box

Features: 1.Adjustable numbers, gently scrolling, quick questions, no need to pay high prices for math questions. 2.Rotate and adjust the column type, can adjust 10 different queue methods. 3.Primary school students make one page a day to improve the speed and accuracy of oral arithmetic, cute and practical. 4.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.