HELP YOUR CHILDREN TO MAKE THEIR HOMEWORKS!π PROPERTIES β Adjustable numbers, smooth scrolling, fast questions. Stop paying high prices for math questions. β Rotate and adjust the column type. β Elementary school students: do one page a day to improve the speed and accuracy of oral arithmetic, cute and practical β The printing is clear: It does not dry and fade after printing. Add printing oil, which can be used repeatedly. IT IS FUN! SPECIFICATIONS Material: PVC Shape: Square Weight: 150 g Size: 44 * 30 * 48 mm Imprint: 20*4mm Color: pink, blue PACKAGE INCLUDES 1 * Roller Digital Teaching Stamp (Contains one bottle of ink)
