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2026-11-10
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Vintage Tenkaichi Soroban Japanese Abacus 13 Rod Color Bead Boxed Montessori 70s
$28.00
$36.4
30% OFF
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Product Details
Description
Specifications
Care Guide
Tenkaichi Soroban Japanese abacus features a vibrant 10-column design with multicolored plastic beads in red, green, yellow, black, blue, and white. Housed in a black plastic frame with wooden rods, this traditional calculating tool includes its original green and orange illustrated box. The box features Japanese calligraphy and the Tenkaichi logo, with a vintage price marking of ¥250 and model No. 1356 on the end flap. This compact 1-4 bead style soroban is a great example of mid-century educational tools or office supplies from Japan. Measurements: • Length: 5.75 • Width: 2.5 • Depth: 0.75 Always open to offers, and happy to combine shipping!
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.