Fixed.

I was debating locking the cheese for another reason, and that would be if people could find the mouse, but now, I guess I have a different reason.

The unlocked pool cue and cheese is powerful in this one. I can fire the gun, poke the marble and the bowling ball to shortcut using those parts. Also you can sub out the gear under the candle with some cheese. I wish I wasn't so programmer focused in TIM, I like all these games a lot but miss the intended solution most of the time. 😕

I'll be honest, I should have forseen the explosive breaking through the brick. It's now sporting caution walls, so the gear method fails. Also made it so the big gear can't be placed underneath the candle.

Wait a minute, the gear actually allows for all balls to go through? None get stuck where you placed it? I guess I'll just have to put up caution walls instead.

Alright, here's my first solution. I couldn't figure out where the pipe intersection went, kept trying to place it below lol. https://steamcommunity.com/id/15daflynn/screenshot/986736921512278510