From: TreeHugger (Cool Name!)
"You might not guess just by looking, but, in the image above, there are two apartments, two sets of dining room furniture, six stools and a bed. Through a variety of gyrations, these objects unfold, change, and otherwise transform, creating functional furniture from previously unrecognizable, compacted boxes, cubes and other geometrical shapes -- like puzzles you get to sit on."
Good Ideas - Not so sure about the costs - Going Green can Cost lots of Green! (money, money money)