The average housecat may sleep for 18 hours a day, but we’ve all seen frisky felines frolic during their wakeful hours — and they can really tear it up. When we spotted these cardboard Cat Playhouses, we knew we had found an amusing way to channel our furry friends’ energy — and they’re entertaining for them, and for us! How awesome will your kitty look ready for takeoff? Timid Tabby cats may prefer to hunker down in a tank… while cool cats may want to put out flames in their very own fire truck. Visit Inhabitots to read more about these recyclable playhouses that put standard issue cat condos to shame!