Prior to Kool-Aid Days, merchandise may be purchased at the Hastings Museum. Not all products are available at any outlet.

During Kool-Aid Days, merchandise is sold at Kool-Aid Days events, specifically at Downtown on Saturday, Brickyard Park Saturday evening and Lake Hastings on Sunday. Online orders will be filled as possible but items may sell out before online orders can be completed. The Peggy Karr plates are sold only online and at the Hastings Museum.