Three Boxes Escape: Room 2

[OscarW]

This is the second part of this game series about three boxes. This time the puzzles will be slightly harder than in first part. Try to solve puzzles to unlock three boxes and obtain parts to unlock the exit. Good luck.

Play Here

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

Please do not post a video walkthrough for 7 days.

[tipper75]

Out, but my logic

[graywolf]

Wall#2 was easy, but #1 and #3 had a twist....

Bottom shows entry order (312) and click on top to show numbers.

Example: G=4, R=5 & Y=3....therefore, total G=4+3=7.

Nice One!