CLEARANCE
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Torsion of Metal Rods Apparatus
Clearance
Torsion of Metal Rods Apparatus shows students the affect of a torque on a metal rod.
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Estes Standard Rocket Engines
Clearance
Get your model rockets in the air with these popular rocket engines.
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G.S.C. International Projectile Launcher
Clearance
Budget-friendly, yet reliable, this projectile launcher comes with plastic marbles for safety.
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