go to the place where the big pool with all the chandeliers are, become artsy, make a
block on the platform to the right of the ladder, become genius and crawl through the gap,
then become artsy again and build a block next to the stack and push the top one off.
there is a door, go in and go through the ducts and defeat canolli

I meant to the LEFT of the ladder

THANK YOU DUDE I'VE BEEN TRYING TO FIGURE LV. 2 FOREVER!!!!!!!!!!