The Blue Bird (1918)

Two peasant children Mytyl and Tyltyl are led by Berylune a fairy to search for the Blue Bird of Happiness Berylune gives Tyltyl a cap with a diamond setting and when Tyltyl turns the diamond the children become aware of and conversant with the souls of a Dog and Cat as well as of Fire Water Bread Light and other presumably inanimate things The troupe thus sets off to find the elusive Blue Bird of Happiness