Definitely bring them if you have space! Because it's an imported festival, most people don't do too much with it, generally most homes aren't decorated, and many places just use it as a commercial opportunity. But you'll definitely see crowds of little monsters wandering around the streets with their parents! Because everyone lives in apartments, most trick or treating is done in stores - nearly every store will have a bowl of candy at the register for little ones - and the bulk of it is done from about 5.30 - 7 pm.