Product Information
- [Digital Teaching Chapter] : Addition and subtraction 2 styles, free to choose. Interesting Drawing, Number 1-100.Give your children or your friend children a funny and meaningful gift!
- [Rotary Adjustment Design] : 10 different queue modes can be adjusted. Satisfy all addition and subtraction within numbers 1-100. Develop children's logical calculation ability.
- [Efficient And Fast Math Problems] : You can quickly prepare math problems for your child at home. You can quickly complete the quiz by simply scrolling the math problems.
- [Reusable] : Small and exquisite, easy to carry, add ink for repeated use. Product includes 1/2 digital teaching stamps, 1/2 bottles of ink.
- [Small and Exquisite] : Can be placed in a stationery bag or pocket at any time.The roller-type digital teaching chapter frees parents' hands, just roll and print different addition and subtraction formulas on the paper.
