The Emperor of Peru (1982)

Sinopsis

Toby and his sister Liz live with their aunt and uncle, who take in Cambodian orphan Hoang while he awaits foster placement. The trio become fast friends, and, as they explore a nearby wood, encounter a retired engineer living in an abandoned freight car. Playing off Toby's already active imagination, the kids and the engineer use the train car to make a fantastic journey to Cambodia.