According to the inquiries of Mahoneycomb and Great Wall.com, the ticket price of Zhengdi Happy World is 60 yuan per person, and children under 1 meter and elderly people over 70 years old are admitted free of charge. You can book tickets online or buy tickets on the spot. There are all kinds of catering services in Zhengdi Happy World, including global cuisine in Zhengdi Fengqing Street, catering facilities in Water World and Hot Springs, and air bars and restaurants in Sky City. These catering services are charged and are not included in the tickets. You can choose a suitable dining place according to your preferences and budget.