This Black 13-Column Soroban Abacus is a 28.5cm digital standard-style wooden calculator designed for functional educational use. With a 13-column layout and vintage wooden construction, it serves as a practical counting and calculation tool for learners, teachers, and hobbyists. The design emphasizes classic soroban structure in a compact form factor that fits on desks and in learning spaces. Marketed within Home Supplies, this soroban is presented as a professional, functional abacus that can also work as a party gift or decorative educational item. The product information indicates it is wooden and black in color. According to provided compliance details, it is not listed under CA Prop 65 for carcinogens or reproductive chemicals. Use this abacus for hands-on arithmetic practice, classroom demonstrations, or as a unique home supply accessory that highlights traditional calculation methods.