Hopefully this link will work for you. Box Tops for Education has a promotion going until March 2. If you mail in 10 UPCs from participating products you can choose a $10 prepaid Visa gc or 100 box tops for your school. You also need to fill out the form here:
http://rebateprogram.boxtopsforeducation.young-america.com/Home.aspx#Most of the products participating are products I know I have laying around anyway: Bisquik, Nature Valley Granola Bars, and a few other products.
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