我想買有關白雪公主的小朋友東西

one of the ways is to go to Disneyland.
For more option, check out the
http://www.disneystore.com

they have a loooooot of good stuff

http://disneyshopping.go.com/webapp/wcs/stores/servlet/CategoryDisplay?catalogId=10002&storeId=10051&categoryId=13929&langId=-1&N=0&Ntk=p_categoryID&Ntt=13929&Nu=p_productID

try this, this is all the searching result about snow white's stuff

Trenyland, Disneyland, 吉之島

係吉之島有得賣公主裙,有好多款架,都唔錯架