Sod wheelie school lets hire one of these.
Where do i sign up?! hehe
See the size of that rear sprocket on the CBR600 (2mins30 in)?? nearly as big as the wheel itself 
Forget having a bouncy castle at my kids brithday party i want that insted.
is there any of them things in england
i bet if you took it along to a race meeting and charged a fiver a go you`d be loaded