The listing, Kellogg's Family Rewards code Monsters University #1 has ended.
Winner will receive 1 code via LISTIA MESSAGE.
Here's some information from the box:
Collect Monsters U codes & go online @ kelloggs.com/MU to enter codes into your account to redeem for Monsters U -themed rewards. Code must be entered & redeemed by 12/31/2013.
Code is from a Rice Krispies 12 oz box UPC# 0 38000 31846 7 if you need it on the site.