Chinese Abacus 13 Column - Wooden Soroban Tool for Mathematics Kids

SIZE:58x20.5x3.1cmSpecially Used For Teacher,Can Hanger ,The Beads Not Slipe Down Color: yellow + wood color Material: wooden + plastic Package contents: 1* abacus Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm.