To the left of the photo (where you can't see) there's a door to the outside. That's Mommy's treadmill handle you see...and you might notice we don't have a ginormous kiddy wading pool for a litterbox. That's because there were only six of us at the time.
This is what the area looked like right after it was screened in:
Pretty rough. But Daddy knew he would fix it up nice for us. The first thing he did was install a Cat flap for us so we could go in and out, in and out, in and out.
Here's our Cat flap...