・[Number of Digits] 4 beads, 23 digits. ・Standard Type. Made with the finest materials and traditional techniques, this standard pen is widely used in schools and workplaces. Provided by HARU.
Read More(Used a birch ball) wooden abacus. It will be the 4-ball 23 digits. (Used a birch ball) wooden abacus of [Features] · 4 ball / 23 digits. Weight (about): 162g.
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