Fox Taps 'Gravity Falls' Creator Alex Hirsch for New Animated Series 13 Fishing Code NX Spinning Combo FISH307 935 Tool Box Work Bench How to Choose the Best Litter Boxes for Your Cats? Cat Litter Boxes Guide Airflo Switch Black Cassette Reel Fly Fishing Cassette Reel Sportfish Size of the litter box matters more than most people think. A litter box that's too small can affect how your cat moves, digs, and even whether they use it at all.