Abacus Soroban 17 Digits Rods Chinese Japanese Abacus Calculator Educational Tools Abacus Counting Tool for Adults, Kids

Description

Soroban Abacus Size – 13 Positions: 20 6.3 1.5 Cm (7.9 2.4 0.5 Inches); 17 Positions: 26.3 6 1.5Cm (10.3 2.3 0.5 Inches). Traditional Abacus, A Classic Tool That Can Still Be Used Normally.,Use Range – A Good Tool For Math Education. Can Be Used As A Classic Office Calculator, An Educational Tool For Teachers Or A Gift For Abacus Collectors,Ideal Educational Tool – Abacus To Make Math Exercises More Effective; Using An Abacus To Calculate Childrenג€™S Math Ability Is A Good Way To Teach Them How To Count And Calculate Intelligence,Beautiful And Unique Design – A Good Gift For Children. Soroban Style Abacus Is Very Suitable For Fast Calculation. It Is Strongly Recommended To Use It In Any Math Abacus/Soroban Course.