LEGO Machine That Can Fold & Launch Paper Airplanes
This is a video of the machine built by Youtube user Hknssn entirely out of LEGO that can fold and launch paper airplanes. Not very complicated paper...
i made a lego house one time but the roof caved in and killed all my minifigs (i made it that way on purpose if we're being honest though -- i'm pretty evil at simcity too)