Simple Machines

Knex Stem Gears Building Set  KNX79318
Knex Stem Gears Building Set
$24.54 ST
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Knex Stem Lever/Pulley Building Set  KNX79319
Knex Stem Lever/Pulley Building Set
$24.54 ST
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Lever - Student Model  CRU502
Lever - Student Model
$30.00 EA
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Stem Simple Machines Activity Set  LER2824
Stem Simple Machines Activity Set
$37.49 ST
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Knex Stem Vehicles Building Set  KNX79320
Knex Stem Vehicles Building Set
$38.86 ST
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Flip Charts Pushing Moving & Pulling Early Childhood Science NP-340026
Flip Charts Pushing Moving & Pulling Early Childhood Science
$47.44 EA
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Pulley  CRU506
Pulley
$48.75 EA
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Inclined Plane  CRU501
Inclined Plane
$49.99 EA
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Simple Machines Set Of 5  LER2442
Simple Machines Set Of 5
$62.49 ST
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Knex Wheels & Axles And Inclined Planes KNX78620
Knex Wheels & Axles And Inclined Planes
$62.72 ST
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Knex Gears  KNX78630
Knex Gears
$62.72 ST
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Knex Levers And Pulleys  KNX78610
Knex Levers And Pulleys
$62.72 ST
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