Three Boxes Escape: Room 3

[OscarW]

This is the next room with different puzzles. Your main target is to open three boxes and get three parts of the key. Then you will be able to unlock the main door. There are hint above of each box that will help you.

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]

Had to BF the 8=7 one

[graywolf]

No need to BF....all walls worked as per instructions.

Count the lines that make up numbers on wall (eg/ #1 is made up of 2 lines...so 1 is 2.).