eMylo Stainless Steel 17 Columns Abacus Soroban Arithmetic Mathematic Calculating Education Tool

الوصف

17 Columns Abacus Soroban Arithmetic Mathematic Calculating Education Tool Features: 1)17 beads with 1 bead above and 4 beads below on each rod 2)Traditional and functional arithmetic abacus for calculation 3)Used as a classical calculator in office or a nice gift for abacus collectors etc. 4)Great education tool for teacher and mathematic tool for children 5)Well made stainless steel frame, black/red beads Specifications: 1)Dimension:13"x3" 2)Weight: 390g Package include: 1 x 17 Columns Plastic Abacus