[Product Information]

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• Soroban style abacus， plastic frame， 17 digits
• One bead above and four beads below with reset button. Give concrete visible display of numbers by beads
• Non marring anti-skid rubber feet on the base of the abacus keeps your abacus from sliding around
• A very useful tool in general mathematics education. Both practical and educational
• Widely used by kids， accounting students， merchants， traders， etc