Children's Arithmetic Practice Board Mathematical Operation US Artifact New J4H8

Description

Description
Description&Preview
shipping&policy
Description:
Describe:
Product name: Arithmetic writing board
Color as shown
material: plastic
Size: 13.2*4.4cm/5.19*1.73inch
1. Rotate the gear in one second to change the question, and it is easy to use, and the question is easy to rotate.
2. The upper gear changes the number in this area, and rotate the lower gear to change the number in this area.
3. Slide the paddle to switch operation symbols, double the number of questions \ operation symbols freely choose, nearly 10,000 permutations and combinations
Questions without loop
4. Paperless answering questions, saving paper and protecting the forest, parental counseling artifact, interesting teaching, let children fall in love with mathematics
5. Practice once a day for three weeks to improve the child's verbal and mental arithmetic ability; answer the test faster, save answering time, and achieve corner overtaking.
6. The small game between classes recommended by the teacher is both interesting and educational. Pk rotate the gears, randomly select the questions, exchange the questioner and start to answer at the same time, the first to answer the first to get two points, after all answers are completed, exchange and check the correct question to get - - - points, the one with the most points at the end wins.
So it's a great gift for kids, friends or family.​
Notes:
1. As we all know, different computers display different colors, and the actual color may be slightly different from the picture below.
2. If you find it difficult to choose the size, you can contact me at any time, we will give you some suggestions, but only for your reference.
3. We can accept orders of mixed items, colors and sizes.
This product includes:
1 pc arithmetic tablet
Preview:
Thank you for your purchase
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