No Purchase Necessary. To enter, beginning on or about 1/1/2008 at 12:00:00 PM (ET) through 4/30/2008 at 11:59:59 AM (ET) go to www.snackpicks.com and complete the online registration. Registration is free. You will also need to enter a UPC code from any of the following products in order to enter the sweepstakes online: Cheez-It® crackers (16 oz. - any type); Keebler® Club® crackers (16 oz. - any flavor), Keebler® Fudge Shoppe® cookies (12.5 oz. - any flavor); Famous Amos® cookies (16 oz. - any flavor); Kellogg's™ Crunchy Nut™ Sweet and Salty bars (6.7 oz. - any flavor); or Kellogg's® Rice Krispies Treats® squares (8 ct. - any flavor).  For online No Purchase Necessary Method of Entry, use UPC code 24100 12243 in the online registration process. Once you have completed your registration, follow the instructions to complete your entry into the sweepstakes. Alternatively, you may enter on a plain 3"x 5" piece of paper by hand writing your name, address, age and daytime/evening phone numbers and mail in an envelope with sufficient postage affixed to: Kellogg's™ Big Game Party Sweepstakes, P.O. Box 185469, Battle Creek, MI 49018-5469. Online entries must be completed by 4/30/2008 at 11:59:59 PM (ET) and mail-in entries must be postmarked by 4/30/2008 and received by 5/7/2008. Sweepstakes ends 4/30/2008. Open only to legal residents of the continental United States and District of Columbia who are 18 years of age or older at time of entry. Void in AK, HI and where prohibited. Subject to complete Official Rules at www.snackpicks.com. Sponsor: Kellogg Company, One Kellogg Square, Battle Creek, MI 49016.