1. Hong Kong Disneyland, pillow HK$ 300, hat HK$ 150, mobile phone chain HK$ 100, bag HK$ 250, T-shirt HK$ 200, Mickey's big ear headband HK$ 100. (All approximate values)
Basically, there are many souvenir shops in the park.
I'm not sure. But Mickey, they will always come to help you celebrate, play with you and take pictures with you.