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Posted by on Thursday, October 20, 2011 at 4:07pm.

we are makeing rube goldberg machiens
but are problem is hot to activate the pulley by putting the string in to the fire befor its time and makeing the machine do other things.

  • Phys sci - , Thursday, October 20, 2011 at 6:29pm

    I wouldn't make a machine that depended on a fire, much to dangerous, and unnecessary.

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