Bead Arithmetic Abacus 17 Dis Rods Abacus Soroban Abacus Math Chinese Japanese Calculator Counting Tool Kids Calculating

DescrtionThe 17 dis abacus, also called a counting frame, is a calculating tool where beads are moved and down and feeling and looking at the beads, complex calculations are made. Calculations made the abacus/ soroban is a integration of mind and body. Abacus/ soroban is a tool to e brain smarter.FeaturesWidely d kids, accounting students, merchants, ders, etc.-Material: ble hard plastic ( frame and beads ), and wood ( rods ). Size ( L* W* H ): about 10. 5* 2. 3* 0. 7 inch.-A very ful tool in general mathematics education.-One bead above and four beads below. Give concrete visible display of numbers beads.-Soroban style abacus, plastic frame, 17 dis.- Color: as shown in the tures.- Material: ble hard ( frame and beads ), and wood ( rods ).- Size (* W* ): about 10. 5* 2. 3* 0. 7 inch.- and Abacus Arithmetic Soroban' Calculating Tool 17 Dis.- Soroban style abacus, frame, 17 dis.- One bead above and four beads below.- Give concrete visible display of numbers beads.- A very ful tool in general mathematics education.- Widely d kids, accounting students, merchants, ders, etc.