For 10 points, name these objects, including one which Alice falls through and a magic one of which the Wicked Queen asks questions.
One character in "If on a winter's night a traveller" fills his house with these objects. Borges wrote in "Tlön, Uqbar, Orbis Tertius" that these objects, like copulation, are abominable, for they multiply the numbers of man. Christian Gulbrandsen and Heather Badcock are murder victims in novels titled for these objects, one of which takes its name from a line in The Lady of Shalott in which one of these objects 'crack'd from side to side'. For 10 points, name these objects, including one which Alice falls through and a magic one of which the Wicked Queen asks questions.
One character in "If on a winter's night a traveller" fills his house with these objects.
{Mirror}s (accept {looking-glass}es)