How to go to Disneyland Hong Kong from Ah Shan Hostel?

Hi, you can walk from the hostel to Mong Kok MTR Station and take Tsuen Wan Line to Lai King. There you may easily transfer to Tung Chung line. Get off at Sunny Bay and transfer to Disneyland Line to reach the park. The ticket can be bough in MTR station or just pay with Octopus Card. If you refer to the entrance ticket of the park, they have the booking service on the official website. What else do you wanna know?