Tomoe Abacus, One-touch, 23-digit Abacus, a must-have item for advanced abacus! Birch Balls (wooden balls) are safe to use "Tomoe Abacan" to divide easily with one touch. Easily remove the ball with a single button for speedy calculations.
Also perfect for celebrating abacus certification. Comes in an exclusive hard case.
*Standard one-touch abacus
The upper frame of the abacus is cut at bevelled ends for ease of use.
*When taking abacus test test, use one touch abacus to increase the speed of calculation.
In recent years, families have become a growing and growing present for the one touch abacus certification celebration.
*The commitment to the long-established Abacus Maker Tomoe Abacus.
The material used for the abacus ball becomes a solid birch wood.
*The harder the ball is, the harder the abacus is, and the material is less likely to deteriorate over time.
*Tomoe Abacus is the best material for abacus to ensure long term abacus.
The abacus is not finished with automation.
*The abacus shows differences in the artisans' arms.
*The reason the Tomoe Abacus is a deeper understanding and idea of the product,
and the craftsmanship of the craftsmanship that makes each piece exquisite.
＊Brand Tomoe Soroban
＊Color ONYM8
＊Size ：23 digits
Approximately Ｗide336mm x Long 66mm x High 15mm
Weight 198g