Can my uncle take my niece and nephew to Hong Kong Disneyland?

Yes, you can. "Interim Measures for the Administration of China Citizens Travelling to and from Hong Kong and Macao for Private Affairs" Article 12 Mainland citizens who have been approved to settle in Hong Kong and Macao shall be issued passports for going to Hong Kong and Macao by the exit-entry administration department of the public security organ. Mainland citizens who have been approved to travel to and from Hong Kong for a short period of time shall issue passes to and from Hong Kong and Macao. The holder shall go and return on time within the specified time. If you are leading a minor, you need to prepare proof and contact information of parents' authorization to take their children abroad. To go to Hong Kong Disneyland, you should make preparations in advance, book a room, check the local weather and bring necessary items. Tickets are priced from Monday to Friday: HK$ 399 for adults and HK$ 285 for children (3 to 1 1 year). Children under 3 years old are admitted free of charge. Hong Kong Disneyland is located on Lantau Island, surrounded by mountains and facing the South China Sea. This is a theme park that combines the characteristics of California Disneyland and other Disney parks.