We are getting ready to go on another long road trip soon and we always like to play the license plate game! We actually saw ALASKA and NEW YORK the last time! What fun! Here are a couple of links to get you started. Just print them off and start the search!
This site has a neat one to print (make sure you click the print icon for no ads!)
This one would be neat in color, but some of the states are a little hard to read.