
I made a bolt action rifle out of lego, didnt fire anything but you could eject the 'spent' cases.
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Sun 11 Mar 2007, 1:27,
archived)

Was after seeing an advert for a stair climbing R/C car, i built my own using the lego technics "control centre" kit, and all the stuff i had from other kits. I swear to god, low ratio worm gear drives are LETHAL on fingers, especially at a very young age.
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Sun 11 Mar 2007, 1:31,
archived)