The first object they transfigured was Harry potter?

In "Harry Potter and the Goblet of Fire," the first object that is transfigured is actually a matchstick, not Harry himself. Professor McGonagall demonstrates transfiguration in a lesson, showcasing the ability to change one object into another. This lesson sets the stage for the complexities of magical transformations, which are a central theme in the series. Harry's experiences with transfiguration highlight his struggles and growth as a wizard throughout the story.