Christmas Advent Calendar
VERY easy to do made all from felt, just cute out a green tree, sew on, add pockets, and then ornaments for the tree, I will take a picture of the one I have when I get it out for Christmas time, I just bought small ornaments to put in the pockets, then we use straight pins to hang them on the tree! We of course end with the Angle, or you could use a star!
You can find patterns for Christmas Advent Calendar at this links:
http://www.make-it-do.com/sew-it/advent-calendar-pattern-now-available/
http://www.allcrafts.net/xmas/advent-calendars.htm
http://www.tipjunkie.com/holiday-crafts/christmas/best-advent-calendar/
other ideas
If you want to buy one try here
http://www.etsy.com/search?q=Christmas%20Advent%20Calendar&view_type=gallery&ship_to=ZZ&min=0&max=0