* To find a successor: Wonka is getting old and needs someone to take over his chocolate factory. He believes the golden ticket contest is a way to find a worthy heir who is "pure of heart and good of mind."
* To test the children: The chocolate factory is a dangerous and unpredictable place. The golden ticket contest allows Wonka to observe the children and see how they react to temptation, pressure, and the unexpected. He wants to see who has the best character and who can handle the responsibility of running a vast and complex operation.
* To create excitement and publicity: The golden tickets are a marketing ploy, driving massive attention and interest in Wonka's chocolate. This helps sell more chocolate and ultimately boosts his business.
* To have fun: Wonka is an eccentric and playful individual who enjoys the thrill of the unknown and the element of surprise. Creating the golden tickets allows him to indulge in his love for theatrics and unconventional methods.
It's important to remember that Wonka is a complex character, and his motivations are often multifaceted. He has a clear goal in mind, but he also enjoys the journey and the opportunity to test his theories about human nature.