around the house
old door as a closet or pantry door.
You can duplicate this with 3 Billy bookcases from Ikea...
framing maps from different places you've visited or hope to visit someday
In a pinch, convert AAA batteries to AA with aluminum foil.
Great article about lenses.
Optic light Nursery Star ceiling
plastic bag holder $1.99 at IKEA
Pretty paper cash envelope system