New abacus, 23 digits, wooden, one-touch, Japanese soroban, Banshu craft, abacus, soroban, birch beads, for abacus class. No price reduction. Instant purchase welcome. Comes with a dedicated hard case. Ono City, Hyogo Prefecture Traditional craft Banshu abacus High-grade birch beads How about for an abacus class? If you purchase this abacus, you can aim for a dan rank and won't need to buy another one (^-^)