http://mocoloco.com/archives/000694.php

Designer Luigi Colani has created a space-saving house with a six square meter cylinder inside that contains a bedroom, kitchen and bathroom. The cylinder rotates left or right bringing the room you want into view of the main living room. There's a separate toilet and a small hallway, and everything is controlled with a remote. The house was designed for young professionals who need minimal space while they focus on career...

bet its as reliable as our cars!

you could have fun, cause theres a remote control, so if you're taking a crap, you can tour the living room at the same time!