ITEM NAME:Ancient 9-Column 5 Colors Beads Math Counting & Calculating Aid Arithmetic Description: Soroban style abacus, great for rapid calculation, highly recommended for use in any math abacus / soroban course. Traditional arithmetic abacus, a classic tool that is still fully functional 9 rods, with 1 bead above and 4 beads below on each rod Well made frame and beads Material: Plastic Can be used as classical calculator in office, education tool for teacher or a gift for abacus collectors Size Chart: L x W x H: Approx 14.5 x 6 x 1.5cm/5.71 x 2.36 x 0.59inch Package Includes: 1 Abacus SKU: FUZ0025908557029901.Can be used as classical calculator in office, education tool for teacher or a gift for abacus collectors. 9 rods, with 1 bead above and 4 beads below on each rod. SKU: FUZ0025908557029901.