Xtrider SG go on a one day tour lor.. any way non yishun areas i noe bugis there got...opposite parco bugis....
alvin-ncs SG not everyday got 1 aghhh... but there got sell...i remember... but i always eat ice 1... haha
seow SG hm... somewhere near the interchange? bus interchange take escalator come down the first kopitiam you see, should sell desserts, both hot and cold, the popiah tok kong also.
Wanda SG AMK Central hawker centre has a stall selling these and the ah ball leng...same row as the Indian food stalls.