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The design of "Concentric circles" electronic counting Brush-holder is an interesting design and a idea of a concept. The main innovation point is that the brush-holder can count itself. With an electronic screen as a reminder, you will be clear of the number of pencils at a glance, and know if there is loss. The maximum capacity is 20 different pens at a time and it can distinguish pencils, pens and other sorts. Secondly, it is environmental protection design with brief and handy modeling. I believe it is your ideal partner for study and work.
Wuxi city Jiangsu Province, China