 The next day, a number of elderly, sour-faced nannies wait outside the Banks' home, but a strong gust of wind blows them away, and Jane and Michael witness a young nanny descending from the sky using her umbrella.Presenting herself to Mr. Banks, Mary Poppins calmly produces the children's restored advertisement and agrees with its requests but promises the astonished banker she will be firm with his children.As Mr. Banks puzzles over the advertisement's return, Mary Poppins hires herself, and she convinces him it was originally his idea.