No purchase necessary. See links to official rules and policies in links above. Included Missouri counties are: Audrain, Benton, Boone, Callaway, Camden, Chariton, Cole, Cooper, Gasconade, Howard, Johnson, Macon, Maries, Miller, Morgan, Moniteau, Montgomery, Monroe, Osage, Pettis, Phelps, Pulaski, Randolph and Saline.