" Seafair Derby Day includes the PCC Natural Markets Seafair Milk Carton Derby and the ZICO Seafair Stand Up Paddleboard, an Urban Surf Competition! The 45th annual PCC Natural Markets Seafair Milk Carton Derby is bigger and better than ever. Nearly 100 colorful milk carton boats of all shapes and design will compete on the waters of Green Lake for fantastic prizes and bragging rights. The Derby is highlighted by a full day of "competition" as children, adults, families and businesses build milk carton watercraft for show and racing. "
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