Roller Digital Teaching , 2023 New Math Roller For Addition Subtraction Multiplication Division, Premium Number Rolling For Kids-4 Pcs4x Ink(5ml Features: Improve the Efficiency of LearningYou can quickly prepare math problems for your kids at home, just roll the , you can quickly print math problems, and it dries quickly, convenient and practical. Arrangement needs to be changed every 10 math problems to avoid duplication. Digital Teaching RollerAdjustable numbers, gently rolling, can efficiently and quickly print out math practice questions within 100, it is a and meaningful gift for your children and friends' children! Mathematics Skill DevelopmentRotate and adjust the column, and 10 different queuing can be adjusted. Satisfy all addition and subtraction numbers from 1-100, and cultivate children's logical calculation ability. Can be Used RepeatedlySmall and exquisite, easy to carry, and can be reused adding ink. The imprint is clear, the color does not fade drying, and it is not easy to . Add printing ink, which can be used repeatedly, easy to use and . Perfect Educational Gifts for KidsThis is a great gift, when children need to practice math problems, parents can quickly prepare them for them, and children can also prepare for each other and learn together. Product Description: ------------------------------------Welcome-------------------------------------- Welcome to our store, I you can buy your favorite products in our store. Our store sells a variety of products, please take some time to browse our store, I am sure there will be something you will like. happy shopping! Math Roller Digital Teaching , Addition Subtraction Multiplication Division Roller , Calculation Math Educational Toy for Preschool Kindergarten Homeschool Supplies, Within 100 Teaching Math Practice Questions Specifications: Material: PVC Shape: Square Weight: 69g/Piece Size: 44x30x48mm Imprint: 20x4mm Color: , Blue Package includes (Optional): 2 pcs/ 4 pcs Roller Digital Teaching (Contains a bottle of ink) Warm Tip: 1. Please allow 1-2cm difference due to manual measurement. 2. Due to the lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely that you can understand! Thank you! 3. We will try our best to choose the best logistics channel for you, you will usually receive the package within 7-15 days.