DIY Toilet Paper Roll Advent Calendar - tie the ends so that no peeking ensues! Grande Grande Schloegel (Just in case you have extra toilet paper rolls!
Creative Holiday Crafts for Kids: Prize Surprise (via FamilyFun Magazine) DIY Advent Calendar. TP rolls cut in half, wrapped in tissue paper, with toys inside.
Fun Christmas Crafts With 50 Great Homemade Advent Calendars Ideas .
Countdown Calendar - using toilet paper roll to make pockets