Features: 23 bamboo rods, with 1 bead above and 4 beads below on each rod. Traditional classic functional arithmetic abacus. Well-made wooden frame and plastic beads. A helpful tool for children's early mathematics education. Can be used as a classical educational tool for teachers or a gift for abacus collectors. Soroban abacus only; other accessories shown in the picture are not included. Specifications: Item Type: Soroban Abacus Material: ABS Plastic Dimensions: Approx. 34.5 x 7 cm / 13.58 x 2.76 in Color: Random delivery (If ordering multiple units, colors may vary.) Quantity: 1 pc Note: No retail packaging. Please allow 0–1 cm measurement error due to manual measurement. Due to differences between monitors, the image may not reflect the actual color of the item. Package Contents: 1 x Abacus