How To Use A Chinese Abacus: A step-by-step guide to addition, subtraction, multiplication, division, roots and more.
| Country | USA |
| Brand | Forti |
| Manufacturer | Forti |
| Binding | Kitchen |
| ItemPartNumber | OFC-006_13sticksWoodenAbacus |
| UPCs | 841567320213 |
| EANs | 0841567320213 |
| ReleaseDate | 0000-00-00 |