NO PURCHASE OR PAYMENT OF ANY KIND IS NECESSARY TO PLAY OR WIN. PURCHASE WILL NOT INCREASE CHANCES OF WINNING. Open only to legal U.S. residents of the 50 US/DC, 5 years of age or older at the time of participation. Eligible minors should obtain the permission of their parents or legal guardians prior to participating. Promotion begins 5/15/13 and ends 7/31/13. Void where prohibited. For Official Rules and how to obtain a free game piece, please visit www.danimals.com/MonstersU.