I think this project is set to change our lives forever, please take a look and maybe even donate:
http://www.kickstarter.com/projects/622508883/global-village-construction-set (http://www.kickstarter.com/projects/622508883/global-village-construction-set)
There is no anti-graviton generator.
Bah..
very cool not my thing but they look like they are having a blast
this kind of idea seems the opposite of self sufficiency but here goes a similar project
http://www.forbes.com/sites/stevedenning/2012/05/10/wikispeed-how-a-100-mpg-car-was-developed-in-3-months/