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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 concentration ability of a child.Improves learning power in all subjects. High Quality Faux Leather Pouch. Pouches acts as protection and a carrying case for the Abacus