A. Abacus, also known as a counting frame, is a calculating tool. On the abacus, the beads can be moved up and down, and complex calculations can be performed by touching and observing the beads. B. The Japanese abacus is suitable for rapid calculations. This abacus is housed in a durable plastic frame, and the beads are suspended on bamboo rods. It is a user - friendly abacus (Japanese abacus) and is recommended for use in abacus (Japanese abacus) math courses. C. It has a good feel, is sturdy and durable, and is not easily damaged. D. Features: 1. It is a traditional arithmetic abacus, a classic tool with complete functions. 2. It is a tool for early childhood mathematics education. 3. It can be used as a calculator in the office, as an educational tool for teachers, and can also be given as a gift to abacus collectors. E. It only includes the abacus tool, and other accessory demonstrations in the picture are not included. F. Specifications: 1. Material: ABS 2. Dimensions: As shown in the picture 3. Color: Colorful 4. Quantity: 1 piece G. Package contents: 1 abacus tool H. Precautions: 1. Please note that due to the display of computer monitors, there may be some differences between the colors in the picture and the actual product. 2. According to manual measurement, there will be an error of 2 - 3%. 3. When shopping, please pay attention to the size and specifications of the product to ensure that it meets your needs. In the title and relevant content, detailed information about the product, including its features and specifications, has been provided. I. We hope you are satisfied with your purchased product. So if you have any questions or concerns, please feel free to contact us. We will try our best to help you. J. Thank you for choosing our product. We hope you like it.