Portable Japanese 13 Column Abacus Arithmetic Soroban School Math Learning Tool Features: 100% brand new and high quality 13 bamboo rods, with 1 bead above and 4 beads below on each rod. Traditional classic functional arithmetic abacus. Well made plastic frame and brown beads. A nice tool for kids' early mathematic education. Can be used as classical education tool for teacher or a gift for abacus collectors Color: see the pictures Material: Safe Eco- friendly ABS Sales Way:Retail and Wholesale Size: One Size Length: 24.5cm (9.65in) Width: 7cm (2.76in) Height: 2cm (0.79in) Quantity: 1PC Note: If you have big quantity (over 50 dollars), please feel free to contact me, I will give you best discount, thanks! Size For Manual Measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (Without retail package) 1 x Abacus