3 lines 5 lines 9 lines 13 lines counter math teaching aids teacher demonstration big abacus primary school math classroom demonstrator
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5-speed teaching counter with yellow beads and stainless steel rod
![](http://img1.yiwugou.com/i004/2016/12/03/01/d71ce3054030ad6f7fab0e3ad776f6fc.JPG@710w_710h.jpg)
![](http://img1.yiwugou.com/i004/2016/12/03/74/ad389380b43d8cef76917922430776a3.JPG@710w_710h.jpg)
![](http://img1.yiwugou.com/i004/2016/12/03/11/fd72537561856c6594b01e830d382404.JPG@710w_710h.jpg)
![](http://img1.yiwugou.com/i004/2016/12/03/57/c5e75ca68b41b00714f46c999427475d.JPG@710w_710h.jpg)
![](http://img1.yiwugou.com/i004/2016/12/03/74/10de390d5ac7bf8aa72becb4b1887eb8.JPG@710w_710h.jpg)
![](https://img1.yiwugou.com/i004/2020/12/04/94/0802441e1e65b65e860d9f72d6c6a647.jpg@1024w.jpg)
![](https://img1.yiwugou.com/i004/2020/12/04/61/f3c0562be4394321fb82a2d3adbaa7df.jpg@1024w.jpg)
![](https://img1.yiwugou.com/i004/2020/12/04/16/2e615763944babe53a7da0fa4c201ab6.jpg@1024w.jpg)
![](https://img1.yiwugou.com/i004/2020/12/04/54/b7d3c1ca92b9444447b98bb4b663f117.jpg@1024w.jpg)
A set of 28 red beads needs to be custom-made. For more details, please contact the QQ customer service at 1486518989.
![](http://img1.yiwugou.com/i004/2016/12/03/01/d71ce3054030ad6f7fab0e3ad776f6fc.JPG@710w_710h.jpg)
![](http://img1.yiwugou.com/i004/2016/12/03/74/ad389380b43d8cef76917922430776a3.JPG@710w_710h.jpg)
![](http://img1.yiwugou.com/i004/2016/12/03/11/fd72537561856c6594b01e830d382404.JPG@710w_710h.jpg)
![](http://img1.yiwugou.com/i004/2016/12/03/57/c5e75ca68b41b00714f46c999427475d.JPG@710w_710h.jpg)
![](http://img1.yiwugou.com/i004/2016/12/03/74/10de390d5ac7bf8aa72becb4b1887eb8.JPG@710w_710h.jpg)
![](https://img1.yiwugou.com/i004/2020/12/04/94/0802441e1e65b65e860d9f72d6c6a647.jpg@1024w.jpg)
![](https://img1.yiwugou.com/i004/2020/12/04/61/f3c0562be4394321fb82a2d3adbaa7df.jpg@1024w.jpg)
![](https://img1.yiwugou.com/i004/2020/12/04/16/2e615763944babe53a7da0fa4c201ab6.jpg@1024w.jpg)
![](https://img1.yiwugou.com/i004/2020/12/04/54/b7d3c1ca92b9444447b98bb4b663f117.jpg@1024w.jpg)