If only the three little pigs thought about using cardboard when constructing their homes... The Big Bad Wolf would've had a difficult time blowing down a sturdy 24-layered cardboard house known as the Wikkelhouse. This unique structure is the creation of Amsterdam-based furniture company Fiction Factory. It's customizable, waterproof and can be assembled in a single day! If you're interested in buying yourself a Wikkelhouse for an office space or vacation home, get ready to join a long list of names on the wait list.