<ul><li>Abacus for the Blind perfect for teaching children and for adults to do quick calculations</li><li>Abacus for Math - Color may vary</li><li>15 rods with 4 beads on top column and 1 bead on lower column</li><li>Resistant Backing</li></ul><br><br>This Abacus for the Blind is a Cranmer-style abacus used by blind children to gain an in-depth understanding of numbers and mathematics, and by blind adults to perform quick calculations. The Abacus for math has 15 rods with 4 beads on top column and 1 bead on lower column. Resistant Backing. NOTE - COLOR MAY VARY

Reizen Abacus for The Blind

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