Roller Digital Teaching Stamp. Are you looking for ways to make your child love learning more? Our teaching stamp helps stimulate children's interest in mathematics. Simply roll the stamp to quickly print various math problems.Save time by preparing math exercises efficiently at home. The printed ink dries quickly, making it convenient for daily use. Ideal for primary school students to practice one page per day to improve mental math speed and accuracy.Adjustable design allows rotation and selection of different problem types, offering 10 different calculation formats. Easily change math questions with a simple turn, helping strengthen your childs math skills through consistent practice.This reusable teaching stamp is compact, portable, and refillable with ink. The imprints are clear, smudge-resistant, and long-lasting. The set includes 4 stamp styles (Addition, Subtraction, Multiplication, Division) and 4 ink pads.A fun and educational tool that encourages interactive learning. Children can roll the stamp and solve the printed problems. Great for kids, parents, and teachers as a practical learning aid. Makes a thoughtful gift for birthdays, holidays, or back-to-school.Please check product dimensions and details in the title and specifications to ensure suitability. We aim for complete customer satisfaction. If you have any questions, feel free to for assistance.Thank you for choosing this product. We hope you enjoy it. Products from Chunchuan's store