style abacus, great for calculation. This abacus is encased in a durable plastic frame and suspended with bamboo rods. It is a user-friendly abacus / which is highly recommended for use in any math abacus / course. Description: Traditional arithmetic abacus, a classic tool that is still fully functional 15 bamboo rods, with 1 bead above and 4 beads below on each rod Well made plastic frame and beads A nice tool for kids' early mathematic education Can be used as classical calculator in office, education tool for teacher or a gift for abacus collectors Size (L x W x H): Approx. 9.2 x 2.5 x 0.6 inch Material: Plastic frame and beads, bamboo rods Color: Black frame, brown and black beads Package Includes: 1 x Abacus Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store