When registering your copy of The Sims 3 University Life, you will unlock the special “Mascot Attack Pack”. Taken from the text cache of the site, here is the description.
Thanks Rincon Del Simmer!
Congratulations! You have successfully registered your The Sims™ 3 University game.Download your Mascot Attack Pack now!
Whether your loyalties lie with the Fighting Llamas or the Walloping Kangaroos, you’ll want to wear your mascot on your … er, wall. Which you can do with this mascot set!