According to the story, the heroes of the backyard are "Impression from the moment when a child realizes that childhood is transient". The scriptwriters combined episodes in the film on Merima's two works and placed events in an unspecified town after the wars. Costumes and sculptures refer to the wooden houses of the 1940s and 1950s. The venues included Suomenlinna and the Ruiskumestari House in Helsinki Kruununhaa. The backyard heroes were filmed for 16mm film originally as a television movie , but also taken to theatrical release.