Judy Garland in The Wizard of Oz (1939)
The Ruby Slippers in The Wizard of Oz (1939)
A movie MacGuffin is a plot device in the form of an object, goal or other motivator the protagonist pursues. The specific nature of a MacGuffin is typically unimportant to the overall plot. The most common type of MacGuffin is an object, place, or person.
Now you know what a movie MacGuffin is.
Which of these famous movie Mcguffins is your favourite?