Brand new and high quality. This abacus, also called a counting frame, is a calculation tool where beads are moved up and down. Complex calculations are made by feeling and looking at the beads. The Soroban abacus is excellent for rapid calculation. This abacus is encased in a durable plastic frame and suspended with bamboo rods. It is a user-friendly abacus/soroban highly recommended for any mathematical abacus/soroban course. Feels robust and durable, resistant to breakage. Features: 13 bamboo rods, with 1 bead above and 4 beads below on each rod. Traditional arithmetic abacus, a classic tool that is still fully functional. A nice tool for children's early mathematical education. Can be used as a classic calculator in the office, an educational tool for teachers, or a gift for abacus collectors. Abacus Tool only, other accessories demo in the picture is not included. Specification: Material: ABS Dimensions: approx. 20x6cm/7.87x2.36in Color: Colorful (as shown in the picture) Quantity: 1 pc