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![Standard Soroban (Abacus) / 23 Digits [43300]](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41nh6GcUFLL.jpg "Standard Soroban (Abacus) / 23 Digits [43300]")
Standard Soroban (Abacus) / 23 Digits [43300]
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Asiatischer Abakus
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Abakus als auch mental verbessert,
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Abakus (Soroban) aus Japan im Online-Museum
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