Rug made out of plastic grocery bags. Mine is a bit bigger and though it looks pretty cool, probably only suitable for basement hallway or playroom. Used about 6 months worth of saved plastics bags (hundreds).
A tutorial for a plastic bag basket. Braiding, so no crocheting or knitting skills needed :) This would also work for making a nice shopping bag of all those single use grocery bags - just add handles. (Remember no bio degradable bags!