A blank parchment paper that turns into a map with the words 'I solemnly swear that I am up to no good'. Somethingsareonly possible in the magical world of Harry Potter! Navigate the corridors and secret passages of Hogwarts School of Witchcraft & Wizardry with the Marauder's Map. This magical map will not only show the whereabouts of a person but also every paranormal activity within the Hogwarts premises.