Incredibly Simple Knex Piston
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Tiny Universal Joint
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3 Speed Gearbox With Neutral(manual)
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The Unstoppable Wheel
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Knex Car With Suspension Without Elastic Bands
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The K'nex 3 Speed Gearbox
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The Recycled Soapbox Racer
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Perfect Single Player Game
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Universal Joint
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4ft Ferris Wheel
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Simple K'nex Clock Stand
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A K'nex Man
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