THY COLLECTIBLES Vintage-Style 17 Digit Rods Wooden Abacus Soroban Chinese Japanese Calculator Counting Tool w/ Reset Button 14

The abacus was a calculator invented sometime between 1000 BC and 500 BC in China, often constructed as a wooden frame with beads sliding on wires. It was in use centuries before the adoption of the written Hindu-Arabic numeral system and is still widely used by merchants and clerks in China, Japan, Africa and elsewhere. The abacus is also widely used in teaching counting and mathematics. This standard set is perfect for practical use as well as teaching children.

Features of THY COLLECTIBLES Vintage-Style 17 Digit Rods Wooden Abacus Soroban Chinese Japanese Calculator Counting Tool w/ Reset Button 14

17 digit professional soroban style abacus with wooden frame and reset button. Beads Number: 5 Beads Per Row x 17 Rows Non marring anti-skid rubber feet on the base of the abacus keeps your abacus from sliding around. Both practical and educational. (Instruction not included) Measures Approx: 14 x 3.5 x 1 (35.5cm x 8.9cm x 2.5cm)