It's a computer case and a hamster cage

habicase"The PC HabiCase allows your gerbil, hamster or mouse to live INSIDE your computer. Ample room is provided for climbing, or your pet can hang out in one of the two "play pods" located at the front and top of the case. Heat from your CPU ensures your rodent will be warm and comfortable in a climate controlled environment." Cost $149. Motherboard not included. It's an April Fool's Joke. Link (Via World of Wonder)