"Due to a global loss of seashells, land hermit crabs--which live in discarded shells for protection—are facing a severe housing shortage. In attempting to meet the new needs of this natural life form, I have started fabricating alternative forms of housing, out of plastic, for land hermit crabs."From: Plastic Prefabricated Hermit Crab Shells Via: Inhabitat
Tinker, build, hack, preferably with APIs.
How cool is this?