Finished engine

Entirely mechanical, it's operated by winding up elastic bands. Not powerful enough to run on the rails but all the gears and wheels turn very smoothly if lifted up.

[Christine]

Very creative

[Joanna kate]

How neat is this !!

[Janet]

@chris17 @joannakate Thank you! Five days work, I'm really pleased with it but I don't really want to tackle another one