See "Catty Stacks" preassembled at PetSmart. We have blue 'Catty Stacks' boxes upstairs & downstairs. You will want to watch the 7/25/14 'Great Box Battle' video between Spirit & Sophee! Click on the "Hiding" Article to the right under MEWS 'N NEWS.
I'm in my favorite downstairs nap-&-hide spot called "Catty Stacks." There's one upstairs too. Big brothers can't pester me here. See the 7/25/14 post,'The Great Box Battle.' Spirit lost to Sophee!! The next post is "Catty Stacks" preassembled.