Are you tired of manually creating addition and subtraction exercises for your child? The Smart Math Roller effortlessly presents arithmetic problems as you roll it, making learning engaging and fun. Compact and user-friendly, grab yours today! Benefits: Two styles for addition and subtraction, allowing for flexible practice. Innovative rolling design for easy adjustments. Includes reusable ink for endless practice sessions. Quickly generates clear and smudge-free exercise questions. Rotate to select from 10 different counting methods. Compact size for easy portability, perfect for on-the-go learning. Specifications: Weight: 120g Material: Durable plastic Functionality: Addition/Subtraction Dimensions: 4.4*3*4.8cm/1.7*1.2*1.9in Package includes: 1x Smart Math Roller (comes with sealing ink) Note: Dear customer, due to lighting effects, screen brightness, manual measurements, etc., there may be slight variations in color and size between the image and the actual product. We appreciate your understanding! Thank you!
