My favourite one from the Iron Machine collection. Yeah, there are many timed items, but at least the timing is involved in what you have to do, unlike IM 1-1.

Only thing I didn't like that much were the fizzlers right at the exit of pipes, which may force you to rewind and break the machine... And the link activation feedback should be removed indeed!

Much nicer than than Iron Machine 1-1, but still has link activation showing, so the visuals are flying across the screen. Quite annoying.

This is not a puzzle. This is a timing game. The timing is click, if you miss, undo and click again. It's okay, but could use polish.