Marauders' Map™ Morphing Mug™

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“I solemnly swear that I am up to no good.” Just recite the phrase and tap your wand to learn the location of every inch of Hogwarts™.

Here at, we offer a slightly different brand of magic. The exterior of this Morphing Mugs™ heat-sensitive, colour changing mug transforms from black as hot liquid is added to reveal a full colour image of the Marauder’s Map, along with the two magic phrases made for its use.

Whatever you’re up to, this mug (and your morning coffee) will help ensure that your mischief stays 100% managed.

  • Authentic Morphing Mugs™ heat-sensitive mug
  • Officially licensed mug designed and printed in the USA by Trend Setters Ltd.
  • Colour changing, heat-sensitive ceramic mug
  • Heat-activation reveals hidden image
  • 330mL volume

* While this mug may be used in the dishwasher or microwave, for the longest lasting, highest quality product, we strongly recommend against it.

HARRY POTTER, characters, names and related indicia are trademarks of and
Warner Bros. Entertainment Inc. Harry Potter Publishing Rights JKR.           (s15)

Product Code: MMUG135

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