I still have the basketball they would give you after a certain sticker threshold.
The program was called Book It, and despite lack of advertising apparently it still exists in some form.
http://www.bookitprogram.com/
I could eat Arby's Market Fresh Roast Turkey and Swiss sandwiches forever. I drench it in so much Arby's sauce that Joel Osteen wouldn't let my sandwich take refuge in his megachurch.