Here are some pictures of our activity from December, 2012: Paper Plate Polyhedra. It's amazing what you can do with a simple paper plate! A tip if you're rushing out to buy paper plates: the cheaper the better for this one. The super fancy and durable plates don't fold so well.
Polygonal Flower as a warmup
A chair or a puppy?
5 plates fit together
Table view. Note the icosahedron mid-table.
First fingers, then hair pins hold plates together