Escape From Columbus Fashion School

[old biker]

A student trapped inside the Columbus Fashion School.There are some clues, puzzles and objects left. Find those objects and hints,solve the puzzles and help him to escape

Good luck

play

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

Please do not post a video walkthrough for 7 days.

[graywolf]

Almost complete, but there is a bug.
I collected all 7 black circles for 7-digit code, but 1 shows in inventory, but I can't add to other 6....I give up.