I've gone for the choo-choo on the assumption that it works.
Perhaps a contest for functioning creations?
'reason being: if TJ has a flying 'plane the train - lovely tho it is - is still a train.
Requiring less artistic flair but considerable ingenuity I did drunkenly construct a working trebuchet using only one week of The Telegraph and sticky tape.
I used the Gaudian
as flaming ammo.
