Must be 18 or older to enter. Prize to be picked up and redeemed at Dusterhoft Family Stores, Grand Forks I-29 and Demers location, located at 4315 Demers Avenue. Some restrictions apply. All prizes are non-transferable. Void where prohibited. Offer subject to change. Must be used in full; no cash back or carry-over balance allowed. Non-transferable. See store for details. No purchase necessary. Purchase does not increase chances of winning. 1 winner total pulled each Friday. All prizes are one time use only and redeemable up to 90 days after winning. Auto detailing services retail value up to $79.99; customer pays for any additional taxes, value, or services above that price. Heavily soiled vehicles may incur additional costs. Auto Detailing prize winner can pick 1 out of 4 offered services (interior package, exterior package, seats, or carpet. Auto detailing prize winner must present auto detailing certificate authorized by Dusterhoft’s in order to redeem prize. Certificate not valid unless signed by Dusterhoft’s manager.