Who would bother making a souped-up bumper car? Why, it's Colin
Furze, of course! He installed a 600cc motorcycle engine in an old
bumper car, and off he goes!
It was a dare from the TV show Top Gear.
They picked the right guy to goad into such a project. Don't try this
at home. You'll find a more technical explanation of how he did it in these two videos. (via Tastefully Offensive)