Tricky Trains Escape

[GamersHood]

This room is full of very tricky trains. You need to know how to work them if you want to escape. Good luck!

Tricky Trains Escape

Please use spoilers for hints and walkthroughs:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[old biker]

out ,tricky

[Scissors]

Have everything but the 8 colored boxes. Can't see the connection. It seems like I've tried all posiiblilities, but obviously not.

[NannaJoy]

push top button on a train

out after learning to be nosier

[lintohu]

not really tricky

[Kzin]

The green key always hates me...nice one

[minimaker]

That was nice and quick for my poor befuddled chemo brain! Miss the number puzzles a bit but I like the new ideas too.