40th Annual show Postponed Until July 2021 Saturday 9am-6pm / Sunday 10am-4pm ​ RAMKOTA CONVENTION CENTER 2111 North Lacrosse St.  Rapid City, South Dakota Admission - $5.00 for Adults – Children 12 and under are Free Vendors / Speakers / Demonstrators / Children’s Activities / Fluorescent Minerals   Silent Auction / Door Prizes  Vendors will be […]