This Vintage Wooden Framed Abacus + 13 Wooden Rods + Painted Plastic Beads (1 Bead on Top, 4 Beads on Bottom of Each Rod) with Recovery Rod for Reset Beads Provide a specific visual representation of numbers through beads Great tool for early childhood math education A full-featured classic tool More convenient to use. Well-crafted wooden frame and synthetic beads with a repair bar for resetting the beads Widely used for students, accountants, accounting students, businessmen, dealers, banks, competitions, exercises, learning of thinking arithmetic, special rakes , etc. An abacus, also known as an abacus, is a computing tool where beads are moved down and complex calculations are performed by feeling and looking at the beads Can be used as a classic calculator in the office, as an educational tool for teachers or as a gift for abacus collectors The perfect gift for bead arithmetic and children This abacus has a non-slip shock absorber on the bottom to keep your abacus from sliding More stable and comfortable to use Well-made and the ideal appetizer for anyone wanting to deal with this abacus variety