Educational tools: Calculation recognize abacus Abacus can be used to help count and count. Improve arithmetic: Improve math skills, practice addition, subtraction, multiplication and division. Features: Educational counting are made of wooden materials and are easy to carry. Learning abacus: Can help learn counting, numbers, addition and subtraction, suitable for kindergarten and primary school students. Using an abacus as a math teaching tool can make math practice more effective, is a good way to teach calculation, and makes learning much easier.