Produkt funkcjonalny, solidny i praktyczny na co dzien.
Super beautiful "27-digit" calculation, many digits for practical use and advanced users, Unshu Soroban, craft item
Product Details
Please refer to the product details below!
A 27-digit model is for advanced users and practical use with a higher number of calculation digits.
About the Handling of Unshu Soroban (Birch Beads):
This indicates it is a traditional craft from Okutama Town, Shimane Prefecture.
Properties of Birch Beads:
Because it is a dense and hard wood, the beads will become more familiar to your fingers and gain luster with continued use. Unlike plastic beads, they are less prone to static electricity, which prevents miscalculations caused by beads moving unintentionally.
Storage Precautions:
This is a wooden product and is very delicate. Please avoid storing it in direct sunlight, in places with direct air conditioner drafts, or in humid locations. Store it in the included case.
*Unused!
Stored for many years!
*Please consider this opportunity!
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Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.








