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13 Column AbacusGreat for rapid calculation
very useful tool in general mathematics education
Widely used by kids, accounting students, merchants, traders, etc
Package include:1* Abacus with a Stylus
Sealike New Arrival Portable 13 Column Abacus Arithmetic Soroban School Math Learning Tool with a Stylus
Great for rapid calculation
very useful tool in general mathematics education
Widely used by kids, accounting students, merchants, traders, etc
Package include:1* Abacus with a Stylus