Get some cardboard inspiration from the many and varied projects (along with instructions).
This man is headless because he continues to staple folded cardboard to his walls for shelving. After five concussions from objets d'art crashing upon his skull, hospitals will no longer admit him because they can't treat stupiditiy.
DIY maze made from cardboard boxes. So fun. I would play in this! Could put my cats in it too.