Many makers start by building mock-ups from cardboard, but [Alex-08] has managed to build an R/C plane that actually flies, out of cardboard. If you’ve been thinking of building an R/C plane ...

LEGO trains are fun to play with, but as with any model train ... far as using cardboard. It’s not legal in the LEGO world, and it’s pretty basic, but you could literally make up a layout ...