Google said today it has narrowed down its third annual Doodle 4 Google contest to 40 regional finalists.

For the first time, Google said it is visiting the schools of its top 40 regional finalists and will share educational Google tools with teachers while announcing online voting for the top 40 doodles.

This year’s Doodle 4 Google contest theme is "If I Could Do Anything, I Would" Google says it received more than 33,000 submissions from all 50 states.

The Google Blog offers details on online voting for the top 40 doodles. "Starting at 6:00 a.m. PDT today through May 25 at 5:00 p.m. PDT, you can cast your online votes for your favorite Regional Finalist’s doodle (one from each of the four grade groups). On May 26, we’ll announce the national winner at our awards ceremony in New York City, and the winning design will appear on google.com on Thursday, May 27."

"The national winner will also receive a $15,000 college scholarship and $25,000 towards a new computer lab for their school."