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【Authentic 27-Column】 Soroban Abacus (Birch Beads) Wooden with Case for Lessons and Exams
Product Details
This is a 27-bead wooden abacus received from a relative. It's about 20 years old, but the birch beads produce a satisfying sound.
[Details]
Number of beads: 27 (a professional length suitable for calculating large numbers)
Size: Approximately 38.5cm in length
[Condition]
There is a name carved into part of the frame, so a white sticker has been applied. Please be aware of this. (Photo 8)
If this is a concern, you can place your own name sticker over it.
◎ All beads have been confirmed to move smoothly. There is no wobbling.
[Accessories] A blue checkered case with a zipper is included.
Please note that there are scuffs on the corners and some deterioration at the base of the handle.
Will be shipped via Rakuraku Mercari便 (standard shipping service).
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.















