Cranmer Abacus

$68.14

A specially designed abacus that keeps beads in position once they have been set. This 13-rod model features a frame measuring 6 1/8 x 3 1/4 inches with beads 3/8 inch in diameter, and includes red felt backing to prevent beads from slipping.

An optional metal coupler is available for connecting two abacuses together. Recommended for ages 5 and up.

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