The "From Dull to Dazzling: Using Pennies to Test How pH Affects Copper Corrosion" Project Idea appears here: http://www.sciencebuddies.org/science-fair-projects/project_ideas/Chem_p090.shtml?from=AAE
Information about the From Dull to Dazzling Kit for this project, including a full materials list and ordering information, is available here: http://www.aquaphoenixeducation.com/sciencebuddies/ProductDetails/tabid/122/ProductID/9/Default.aspx?sbid=12931714
