start saving those toilet paper rolls now...
http://mayamade.blogspot.com/2008/11/countdown-calendar.html
http://mayamade.blogspot.com/2009/11/count-down-calender-2009.html
http://mayamade.blogspot.com/2010/11/count-down-calendar-2010.html
http://www.infarrantlycreative.net/2010/11/dollar-store-advent-calendar.html (this one is made from those cute little buckets)
http://mayamade.blogspot.com/2008/11/countdown-calendar.html
http://mayamade.blogspot.com/2009/11/count-down-calender-2009.html
http://mayamade.blogspot.com/2010/11/count-down-calendar-2010.html
http://www.infarrantlycreative.net/2010/11/dollar-store-advent-calendar.html (this one is made from those cute little buckets)