👉Reusable Maths Teaching Seal Siimred Addition and Subtraction Seal | Reusable Maths Teaching Seal - Number Stamp Maths Practice Tool Random Generated Mathematical Questions for Preschool Nursery Home School Supplies The number is customisable: our digital stamp is customisable to design various mathematical problems, and has a gentle roll that can create at least 100 problems. Motivate logical thinking: this number teaching seal provides an interesting way to learn mathematical problems. It fulfils 1-100, which are shown in the chapter about teaching scroll numbers. Improve computing skills: Mathematical problems can be quickly scrolled through our addition and subtraction seal and it dries quickly. Your child will train their mathematical thinking skills by doing homework every day. Can be reused: the print is clear and the colour is difficult to fade after drying, which can be reused by adding new ink. The digital stamp for children contains a digital teaching seal and 1 bottle of ink. Product description adjustable numbers, gently scrolling, and quick questions without paying a high price for math problems --Rotate and adjust the column type, you can adjust 10 different queue methods for addition numbers from 1-100 --Arrangement needs to be changed every 10 math problems to avoid duplication -- The mark is clear, dry and does not fade after printing, and ink can be added for repeated use --Parents can prepare math exercises for their children, and children can also prepare exercises for each other, learn together, and make progress together Specification: Material: PVC , Size: 48*44*30MM Blot: 20*4MM 1. Due to manual measurement, please allow a slight error. 2. Colors may be slightly different due to different monitors. 🚌Provide the following information to order. 🚌 👉Cash on Delivery 👉Name, 👉Address, 👉Nearest City, 👉 District 👉Send phone number 02 👉👉Any items you order will be delivered to you in 03 days.👍👍 🙏Thank you🙏