What am I supposed to do in Riddler's "Drain Pain" challenge?

What am I supposed to do in Riddler's "Drain Pain" challenge? - Brown Wooden Blocks With Number 8

I see the Batman Reserved spot, but nothing happens when I land on it. I've landed on the wall inside the green neon circle with no results.

It looks like I'm supposed to turn the hole so it's over the room at each level, but I can't figure out how to rotate the circle.

What am I supposed to do in the Drain Pain challenge?






Pictures about "What am I supposed to do in Riddler's "Drain Pain" challenge?"

What am I supposed to do in Riddler's "Drain Pain" challenge? - Close-Up Shot of Scrabble Tiles on a White Surface
What am I supposed to do in Riddler's "Drain Pain" challenge? - Brown Wooden Scrabble Pieces on White Surface
What am I supposed to do in Riddler's "Drain Pain" challenge? - Close-Up Shot of Scrabble Tiles on a White Surface





I'm the Riddler, I'm not racist.




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Brett Jordan, Brett Jordan, Brett Jordan, Brett Jordan