Enorme Educational Calculation Counting Addition Substraction Abacus Tool For Kids  (Multicolor)

The abacus also called a counting frame, is a calculating tool that was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere Abacus is a tool that helps in doing mental calculations. Develops the concentration ability of a child. Improves learning power in all the subjects.