I first heard of Bob the Builder stories from my youngest daughter, who as a medical student told me about a party with her friends that involved dressing up in working clothes and singing songs that everyone knew from the television show. These stories are designed to show children that happiness involves developing the virtues of industry and perseverance. 

The show's website includes this exuberant affirmation: "Bob the Builder knows that the fun is in getting it done! With his...