When in Mong Kok, definitely have this refreshing Taiwanese specialty, tea with tapioca pearls. Myriad of flavors.
More information at openrice.com http://www.openrice.com/en/hongkong/restaurant/mong-kok-easy-drink-easy-go/35548
Address 55 Dundas St, Mong Kok, Hong Kong
Coordinates 22°18'56.65" N 114°10'17.998" E