Sounds like a Train

Wanna impress your friends?  Well, the days of showing off your inventive-mind-power might be over.  Yep, you can finally give your creative cerebral cortex a rest.  Now, instead of showing how clever you are by using toilet seats for horseshoes or making your Dodge Neon into a 4x4, all you have to to is mount a train horn onto a scooter. 

TA-DA!

Pretty awesome eh?