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Special Features

  • 【Creative Design】The decomposition rulers through creative design, children can decompose this ruler within 20, slide the design, select numbers from the box, get the sum of the numbers that add up and down, and the moving board can calculate the addition and subtraction of mathematics.
  • 【Eye Protection】A few feet of clear eye protection, each piece is carefully, scientifically chamfered and polished, the surface is smooth and burr free, and the baby will not hurt his fingers during the learning process.
  • 【Lightweight Body】Small size, light weight, light and compact, and easy to carry, children can easily put it in their bag and use it anytime and anywhere.
  • 【Premium Material】Our teaching aids are made of premium plastic material, and sturdy, which can withstand for a long service life.
  • 【Wide Application】It can improve the kids' ability of addition and subtraction, can be the perfect gift for your kids or your friends' kids, very useful and practical.

Description

【Creative Design】The decomposition rulers through creative design, children can decompose this ruler within 20, slide the design, select numbers from the box, get the sum of the numbers that add up and down, and the moving board can calculate the addition and subtraction of mathematics.

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