Traditional arithmetic abacus, a classic tool that is still fully functional.
11 copper rods, with 2 bead above and 5 beads below on each rod.
A nice tool for kids' early mathematic education.
Can be used as classical calculator in office, education tool for teacher or a gift for abacus collectors.
Creative styling, handmade ornaments Home decoration, gift for friends and relatives Material: Copper Size: 11*4.5*1 (length * width * height, CM) Application: office space
