June 18, 19, and 20, 2026 Hot Air Engines of the World This Exposition will feature the hot air (Stirling) engines, fans, and numerous past and present thermal operated toys and models from across the globe! The museum currently showcases several of these unique and interesting operating machines and a record number are expected to show up for the show. Our chairman for this event, Dr. Brent Rowell, is well known and respected for his knowledge of these engines, and their past, present, and future value to mankind. Single-Day Adult Admission - $12 Three-Day Adult Admission Pass - $30 Children under 12 years and Members - Free Seller's Fee - $40 Hours of operation for the Exposition are 7 a.m. to 8 p.m on June 18 and 19 (Thursday and Friday) 7 a.m. to 3 p.m. on June 20 (Saturday) Prior to the Exposition the museum gate will be open for visitors on June 17 (Wednesday) from 7 a.m. to 5 p.m. See our schedule of future Expositions Please note: The museum is closed on Sunday, June 21
