Sparr Building and Farm Supply, a Purina Certified Expert Dealer, will host 2018 Purina Check-R-Board Days through Nov. 3 at 13033 NE Jacksonville Road, Sparr; 6000 Signature Drive, Wildwood; and 240 S. Main St., Williston.

Customers can sign up to win a $500 gift card and enter a sweepstakes for a chance to win a 2018 Polaris Ranger Utility Vehicle, a trip-for-two to the Purina Animal Nutrition Center or an Orion 65 Cooler.