Compact, 13-digit mini abacus for portable practice and brain training, retro style

Thank you for looking.
This is a compact 13-digit abacus.
Its size fits perfectly in a desk drawer, making it ideal for household accounting, brain training, or finger exercises on the go.

[Product Specifications]
Number of digits: 13
Brand: Unknown (unbranded)
Size: Approximately 18.5cm in total length (*Please measure with your own tape measure and update if necessary)

[Product Condition]
Functionality: The beads move smoothly without any sticking. It is in good working condition for practical use.
Exterior: The white beam at the top has yellowing and stains characteristic of older items.
This is a well-used vintage item.
We hope this will be considered by those who are not particular about the brand and want to obtain an abacus at a low price, or who appreciate the texture of old tools.

[Shipping]
The item will be wrapped in cushioning material (bubble wrap) and carefully packaged for shipping.