To make the cat house, you'll need an 18x18x16 inch cardboard box (you can use a smalleror larger one, if you'd prefer), scissors, a box cutter, a hot glue gun, wooden popsicle sticks, thick ...

This Suck UK Cat Playhouse DJ Deck Scratch Pad ($26, originally $35) is a fun alternative to vertical scratching posts — and looks much cooler, too.