New contest ongoing: Rube Goldberg Machine

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Levels

stram engine 2
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steam engine 2
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Take a guess
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Fluid engine with pump
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styled engine
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v twin fail
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Help? solved
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Help?
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engine thing
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engine
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Mountain bike
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chain tensioner
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engine
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Physics Gun [Beta] semi auto
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Trucks for trains
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Duplex frame
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New SUV with govenor
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mechanical timing engine
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steam engine with working valve gear
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steam engine with working baker valve gear
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