Have you seen Mila's Daydream's? My long-distance roommate jenn put me in the know. Adele, the mastermind behind this blog describes it as her maternity leave hobby. I'll leave the photos to do all the explaining.
This one's called "Up."
This one's called "Space Odyssey 2010.
I particularly enjoy her sense of color, use of every day materials, and of course the creative compositions. See more here.