Five archives for student,10pcs beads for each archive, diameter: 12mm, single color.
There was a corresponding figures'1,10,100,1000,10000' printed on the base.
Baffle size:130*65*5mm, can cover all the beads.
-lab-1128729119.jpg "Vertical Counter (Five file)")
The product is divided into five files, plastic frame, five rail, plastic beads. Each representing of the 1,10,100,1000,10000
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