Part of "animated covers" series. Sections of back covers could be cut out and inserted into slits cut in the front cover and moved back and forth.
Inside front cover; monochrome (black and red).
Friday is first introduced in Mickey Mouse newspaper comic strip story "Mickey Mouse Meets Robinson Crusoe" (December 1, 1938, to April 13, 1939). Thursday, Friday's brother, is first introduced in Mickey Mouse newspaper comic strip story "An Education for Thursday" (January 15, 1940, to April 20, 1940). The latter story is reprinted as "Mickey's Surprise Visitor" (Four Color #268, March 1950).
Inside back cover; monochrome (black and red).
Back cover; color. Directions for cutting out a section of the back cover and inserting it in slits cut in the front cover; thus making a moving drum hand.