Description
CCHW 13 Column Plastic Chinese Abacus Japanese Soroban Colorful Beads Abacus Soroban.Material: Plastic frame and beads.Size (L x W x H): Approx. 8 x 2.5 x 0.6 inch / 20 x 6.2 x 1.5 cm.Traditional arithmetic abacus, a classic tool that is still fully functional..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