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Tags:
childrens, calculus, ball-, tens-unit-abacus, tens-units-abacus,
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Website: Thingiverse
Tags:
abacus, accessible abacus, cranmer, cranmer abacus, soroban,
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Website: Thingiverse
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Website: Printables
Tags:
education, printinplace, counter, math, calculator,
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Tags:
education, printinplace, counter, math, calculator,
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Website: Thingiverse
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Website: Thingiverse
Tags:
abacus, abaqus, arithmetic, hands on learning, learning, math,