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Harry Potter - Marauder's Map Heat-Changing Mug

Harry Potter - Marauder's Map Heat-Changing Mug - Packshot 1
Harry Potter - Marauder's Map Heat-Changing Mug - Packshot 2
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I solemnly swear that I am up to no good.

Take a break from exploring the many hidden passageways of Hogwarts School of Witchcraft and Wizardry and enjoy a refreshing drink in this Marauder’s Map Heat Change mug. This 400ml drinking glass has a printed design that features the phrase ‘Messrs. Moony, Wormtail, Padfoot and Prongs are proud to present The Marauder’s Map’ on one side, and ‘I solemnly swear that I am up to no good’ on the other. The design also features the Hogwarts castle and plenty of red footprints.