I have a sneaking suspicion that the Choof-Choof is not the genuine article.
Never seen one with a boiler made of corrugated iron before!
Boiler pressure would be sh!t...

This Youtube clip should help. https://www.youtube.com/watch?v=5YO2nlvtWHM
Yup! That was another give-away. Not many steam trains were fitted with alloys & radial tyres!