Abacus Standard Abacus Soroban Chinese Japanese Calculator Counting Tool 14" Specifications:Material: Wood Color : brown + black; SIZE: 35.3×8.5cm;Package Includes:1 PCS x Abacus
- 17 digit professional soroban style abacus with plastic frame.
- Beads Number: 5 Beads Per Row x 17 Rows
- SIZE: 35.3×8.5cm
- Professional Reliability Goes Back Centuries: This classic abacus/ soroban calculator is the abacus in classical form, featuring the system used before modern numerals that is still used in parts of the world by merchants, traders, and clerks.
- A Great Educational Tool: When learning on the abacus, math practice can be more effective because you may remember more. This makes using an abacus for kids math a great way to teach them how to count and equate, and is widely use