This TENKA-ICHI SOROBAN Abacus is a must-have for anyone interested in Japanese mathematics. With 17 digits, this abacus is perfect for solving even the most complex equations. Made by the trusted brand SOROBAN, you can be sure of its quality and durability.

Whether you're a student, teacher, or anyone who loves mathematics, this abacus is a great addition to your collection. It's perfect for educational purposes or simply for display in your home. Don't miss out on this opportunity to own a piece of Japanese history.