Scope of application: A good tool for early math education, suitable for kindergarten or elementary school. Counting tool: It is a classic tool that is still fully functional today, with a size of 11.5x6x1.8cm. Decorative: It is a desktop decoration that symbolizes wealth and beautiful expressions. Easy to carry: It can help people improve their hand-eye-brain coordination ability. 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.