Features: Specifications; this is a 13 digit professional soroban abacus Professional tool; the soroban or counting tray is a classical form of the abacus; the abacus is a calculating tool that was used for centuries before the adoption of the written modern numeral system; it is still widely used by merchants, traders and cle Educational tool; in addition to being a professional tool, the soroban or abacus is also an educational tool; the abacus is widely used in teaching children counting and mathematics; people who become proficient in the use of the abacus almost automatically become adept at mental calculation; instructions are not included Standard design; this soroban abacus has a plastic frame; its classical, standard design allows for its ease of use as a professional and educational tool Specifications: Material:Plastic Size: 12.5x7.5x2.5cm(4.92x2.95x0.98inch) Quantity: 1Pc Package includes: (Without retail package) 1Pc x Plastic Abacus
Trustpilot
1 month ago
2 months ago
