Full size is next? Just don't walk too close when the props are turning, you might lose a leg. Mind you, if it is a British invention, walking too close to the wheels has been hazardous to your heath since ancient times - see http://www.flickr.com/photos/costi-londra/5761670518/
Comments
http://www.kickstarter.com/projects/2017062404/b-go-beyond
As a clue that he stole her idea he even called this contraption the "B", that cannot be coincidence.
Still, if you are going to reinvent the wheel you might as well take it to a whole new dimension, which this guy has done.
Quite bodacious.