Christy Camden, from the Explorium in Lexington, helped teach a lesson in economics to a group of fifth grade students at Maxwell Elementary School in Lexington, Ky., on Tuesday, January 6, 2009. She was holding pictures of two different styles and prices of sandals to make a point about making choices when shopping. The lesson is tied to a fund raising project the students have developed to help buy $10 nets to fight malaria in Africa through a non-profit called "Nothing But Nets." Photo by David Stephenson | Staff 7232
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