Invent A Game Challenge. NO PURCHASE NECESSARY. Entry open to legal residents of 50 U.S., D.C. and U.S. territories and protectorates from ages 5 to 19, subject to parent/guardian consent. Develop and submit at www.bkfk.com beginning at 12:00 Noon ET on 12-03-08 through 12:00 Noon ET on 03-31-09 a title and idea for a web-based game. Five (5) State-specific grand prize winners (MD, NJ, NY, PA, VA) will each be awarded a $1000 face value U.S. Savings Bond (maturing in 2039), a $100 Best Buy Gift Card and have the opportunity to designate an inspiring professional educator as recipient of a $250 debit or national retailer gift card and a National grand prize winner will be awarded a $10,000 face value U.S. Savings Bond (maturing in 2039), trips to both Best Buy’s headquarters (MN) and Electronic Art’s Casual studio (CA), a $100 Best Buy Gift Card, an opportunity to designate an inspiring professional educator as recipient of a $1000 debit or national retailer gift card and will receive recognition and attribution for having the National grand prize-winning idea produced and published as free web-based game. ARV of all prizes is approximately $12,100. Void where prohibited. Subject to full Official Rules at the bkfk site. Sponsored by United Inventors Association, Henrietta, NY and co-Sponsored and Administered The By Kids For Kids Company, Stamford, CT. Presented by Best Buy Stores, L.P., Electronic Arts, Inc. and Edison Venture Fund.