Description: 15 Rows Vintage Chinese Wooden Bead Arithmetic Abacus Ancient Calculator Counting Collection Gift for Children Adult Made of high quality wooden material, non-toxic and very durable Conducive to cultivate and improve children's computing power, memory and attention Material: Wooden Good tool for kids learning mathematics Size Chart: Abacus Size: Approx. 42.4x17x2.7cm/ 16.7x6.7x1.06inch Package Includes: 1 Piece Wooden Abacus Calculator 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
