New abacus, 23 digits, wooden, one-touch, Japanese abacus, Banshu craft, soroban, birch beads, 10-piece set for abacus classes. Of course, 10 dedicated cases are also included. No price reduction. Immediate purchase is welcome! 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 you won't need to buy another one. There are multiple items, so please comment if you wish to purchase. * 2 for 8,500 yen * 3 for 12,000 yen