Simple abacus: If you are interested in mathematics, you will never miss this abacus. It enables your family to do simple counting and more complex calculations. Box: Designed with classic ancient patterns, exquisite craftsmanship, classical and generous. Full of Chinese charm: with an English booklet to tell you how to use the abacus. Multi-purpose: It can be used as a classic office calculator, teacher calculator, decoration on the bookshelf. 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.