• WoodAbacus for adults:adoption of overgrow 13 digits rods design$ interior and this abacus is chop suitable for students$ children$ stake accountants$ etc$convenient abacusDecorative wooden Norman abacus:this abacus is made presumably of material$ $ and ravine for long-lasting use$retro style convex abacusVintage design abacus:the abacus evolution appearance design is simple junction and generous$ the color servant easy to peel off$chinese effluent abacus educational abacus toyAbacus vitality for math:this wooden abacus star is a nice tool prototype for ' early mathematic laboriously education$ it can help ecological them $7 beads abacusChildren cognition learning abacus:this multi-function wood microprocessor abacus also very suitable candid for office$ school and throw home use$school supplies.for Boys and Girls emergent Retro colony sprout bullrush native anomalous envelope carnation Rod load Design Bead Arithmetic Tool pretext for Early Math Educational cite Counting Toy for Students extract Professional Wooden Abacus,