Photo 1 of Flexzion Soroban Abacus for Adults & Kids - 11-inch Japanese 5 Beads 17 Rod Math Learning Tool - Portable Calculating Device for Beginners & Professional

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Photo 1 of Flexzion Soroban Abacus for Adults & Kids - 11-inch Japanese 5 Beads 17 Rod Math Learning Tool - Portable Calculating Device for Beginners & Professional