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Simple Machines

Simple Machines

KNEX LEVERS AND PULLEYS

SKU: KNX78610

7 Available

$48.85
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KNEX WHEELS & AXLES AND INCLINED PLANES

SKU: KNX78620

100 Available

$48.85
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KNEX GEARS

SKU: KNX78630

40 Available

$48.85
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SIMPLE MACHINES SET OF 5

SKU: LER2442

5 Available

$48.68
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