Youngsters react as a smoke detector goes off in the bedroom of the Fire Safety House trailer as they learn about fire dangers as part of the Colorado Children's Day events in downtown Loveland on Wednesday, March 3, 2010. From left are volunteer firefighter Gina Gonzales, Joshua Pankau, 3, Jack Broccoli, 6, Alyssa MacDonald, 5, and Cole Broccoli, 4.