Bhaktapur expanded over the centuries from a nucleus around the Tachupal Tole , reached by a walk from the Nyatapola Temple through narrow streets full of unfamiliar the lengths of red yarn are sold to be plaited in women 's hair ; the gray cannonballs are homemade soap , the conical yellowish cigarettes are bidi , the cheapest tobacco , and can be bought singly .
Homemade soap is shaped like the gray cannonballs .