Description: Vintage Chinese Wooden Arithmetic Abacus Calculation Tool 15 Digits. Made of high quality wood material,non-toxic and very durable. Great educational tool for teaching kids counting and mathematics. Widely used by merchants, traders and clerks in certain parts of the world. Material: Wood Package Includes: 1 Piece Abacus Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size
