JUNESUN 17 Digits Rods Soroban Standard Abacus Chinese Japanese Calculator Counting Tool Math Learning Beginners
$14.59
Description
100% brand new and high quality.★In addition to being a professional tool, the soroban or abacus is also an educational tool..★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..★Its classical, standard design allows for its ease of use as a professional and educational tool.
