Whilst looking on ebay....

[silly_simon]

.... I came across this

Motorcross setup (http://cgi.ebay.co.uk/YAMAHA-PW50-BUSINESS-INFLATABLE-TRACK-4-BIKES-/220735337393?pt=UK_Motorcycles&hash=item3364d9f3b1 )

Wish I had the money :(

[Caz]

My favourite pass-time :) that looks good fun and you cant hurt yourself ;D

[CharleyX]

Bet you could Caz :D :D :D :D

Only kidding :-*