That weird button was a weird idea. I'm sure that the only negative review this level got so far is because of that weird button. Got rid of it for good. Instead added a micro-tutorial, which is more straightforward and actually works as a tutorial(IMO) instead of confusing the heck out of people(questionable), like that stupid button did. Gosh, that button was so stupid. UH! What was I thinking?!

Moved the window. Moved a wall. Made the timed part easier, because people are 3-dimensional beings. Removed a tunnel, since there is no need for it anymore. Hooked up the dummy button to one of the panels. Cut some corners. Adjusted the top right panel and button, because people were getting stuck on the middle left panel. Spread the final panels, because it was weird. Oh, and rats again.

Added a glass panel at the bottom, cause people go too far down.
Added a button that does nothing, to help her understand the mechanic of the puzzle.
Made a tunnel

Removed timer from middle-left angled panel, to force the mechanic earlier on.
Added timer to top-right angled panel, for more usage of the mechanic.
Added glass panel on the right side to stop people from going back the same route.
Moved the big observation window higher.
I am ok. Leave me alone.

Got rid of the rats again. Where do they come from?!

Got rid of the rats

Moved one of the laser grids. I am totally overthinking this.