Chinese Lucky Calculator Is A Portable Abacus Calculator Made In China. - The abacus was a calculator invented sometime between 1000 BC and 500 BC in China, often constructed as a wooden frame with beads sliding on wires. - It is the Chinese calculator of old days used by literate businessmen and financial planners. - Owning an abacus was an auspicious sign that one had way too much money to keep track of. - Display this abacus in the Northwest for solid financial support from influential people. - Place in your workdesk to boost business luck and increase your income. - Those in the retail business can energize their cash register with this abacus to multiply their sales profits. - The abacus is also widely used in teaching counting and mathematics. - It is practical and educational, it is great education tool for teacher and mathematic tool for children. Product Features Material:wooden and plastic beads. Dimension:Approximately 9.65" X 3" X 0.75" 13 digit professional soroban style abacus with wooden frame. Both practical and educational. (Instruction not included) This Chinese tool reminds me of how I learned to count and perform the basic mathematical operations: Addition, Subtraction, Multiplication, and Division. Sturdy and very Durable Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!