 Wonka explains that the whole tour was designed to help him secure a good person to serve as an heir to his business, and Charlie was the only child whose inherent goodness allowed him to pass the morality test.They ride the Great Glass Elevator to Charlie's house; the other four children each go home with a lifetime supply of chocolate, as well as permanent disfigurements from their misbehaviour.Wonka then invites Charlie's family to come and live with him in the factory.