What happens when you give university students a page of "O O" (as can be seen to the left of this text) and then ask them to draw as many pictures as they can using these O's?

An amazing assortment of drawings emerge out of these Os - some use the typical category of glasses, faces (eyes or nostrils), vehicle wheels (cars, trucks, bicycles, etc.), but a number of other categories also appear - scroll down and look at some of the more creative responses.