The item is a classic and practical soroban style abacus, which is encased in a durable plastic frame and suspended with 13 wooden rods with brown beads, and great for rapid calculation. It is a user-friendly abacus which is highly recommended for use in any math abacus course, and a nice tool for kids& 39; early mathematic education.Features- Color: Brown._- Material: Plastic, wood._- Size : about 22 x 6 x 1.5cm._- Made of durable plastic and wooden material. Class and practical design._- Traditional arithmetic abacus, a classic tool that is still fully functional._- 13 bamboo rods, with 1 bead above and 4 beads below on each rod._- A nice tool for kids& 39; early mathematic education. Light weight for daily carry and easily storage in you bags._- Can be used as classical calculator in office, education tool for teacher or a gift for abacus collectors._- Warm Tip: Dear buyer, Due to lighting effect,monitor& 39;s brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand Thank you Packing list: 1 x Abacus