A specially designed abacus that keeps beads in position once they have been set.
Federal Quota Eligible
414 in stock
Catalog Number: 1-03150-00
This is a 13-rod abacus. The frame measures 6 1/8 x 3 1/4 inches and the bead diameter is 3/8 inch. Red felt backing prevents beads from slipping.
An optional metal coupler is available for linking two abacuses together.
Weight: 0.23 lbs
Dimensions: 6.1 × 3.25 × 0.6 in
Federal Quota Funds: Available
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