【Mathematical Skills Development】Adjustable Numbers, Gently Rolling, Rotating to Adjust The Column, 10 Different Ways of Queuing Can Be Adjusted. It Can Efficiently and Quickly Print Out Math Exercises Within 100, Satisfy All Addition and Subtraction Numbers From 1-100, and Cultivate Children'S Logical Calculation Ability.
【Roller Digital Teaching Stamp】- Math Stamp Roller Quickly Prepare Math Problems for Kids At Home. You Can Print Quickly Just By Scrolling Through The Math Problem, and It Dries Quickly. Primary School Students Do One Page Every Day to Improve The Speed and Accuracy of Oral Calculations. It is Cute, Convenient and Practical.
【Reusable】Small And Exquisite, Easy to Carry, Can Be Refilled With Ink and Reused. The Imprint Is Clear, The Color Will Not Fade After Drying, And It is Not Easy to Smudge. Products Include Digital Teaching Stamp, 1 Bottle of Ink.
【Learning & Educational Gift】Keep Kids Busy and Give Yourself a Moment of Quiet When They Need It. So It'S a Great Gift for Our Kids and Even Parents.
【Perfect Gift】You Will Receive 4 Math Practice Number Rolling Stamps, 2 Blue and 2 Pink, Including Addition, Subtraction, Multiplication and Division Within 100, Very Suitable for Christmas, Birthday Parties, Various Festivals for Your Children or Friends' Children a Fun and Meaningful Gift!