Doodle 4 Google is a contest for K-12 students. If you win, you get $30,000, BCS gets $50,000, you get your doodle on Google's homepage, and you also get your doodle on Crayola's box of 64 crayons. Check out the video below if you're interested. Also, you can get all the official details on Doodle 4 Google Info Page.