【Brand New, Unopened】 This is a high-quality, lifelong "soroban" (abacus) exclusively for students of soroban schools. ☆ Original price 4 years ago: 8,250 yen (tax included) ☆ Product number: ON751 ☆ Birch beads (wooden beads), 23 digits. ☆ Purchased 4 years ago and sold to soroban school students. ☆ The beads can be easily cleared with a single button, allowing for speedy calculations. ☆ Comes with a dedicated hard case with Velcro closure for easy storage. Shipping will be via general Yu-Pack (Japan Post).