Bring in three objects: one must be natural, one must be manufactured and non functional, one must be manufactured and functional.

These must resonate for you structurally and visually and must intrigue you in some profound way. This intrigue should be describable to the class - i.e. try to stay away from objects that are intriguing in a way that is unapparent to a non-biased observer.

Bring these objects to the next class.