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Harry Potter (Marauders Map) Morphing Mugs Cold-Sensitive 17 oz Clue Glass MMUGC296 (BACK ORDER TILL JUNE 2021)

Price: $26.99

This mug appears to have little secrets to hide, swearing to be up to no good. However, ready your wands (or your favorite cold beverage) and reveal the hidden design! Add a cold liquid and watch as the Marauder’s Map is revealed as though you had said the words, “I solemnly swear I am up to no good.”


  • Officially licensed cold-sensitive glassware mug
  • Cold-activation transforms the image from one state to another
  • 17 oz in size, weighs 1lb
  • Designed and shipped  in the USA
  • Authentic Morphing Mugs® cold-sensitive clue glass mug



* Not dishwasher safe, as extended exposure to extreme temperature will damage the product. Hand-wash only.

HARRY POTTER, characters, names and related indicia are trademarks of and
Warner Bros. Entertainment Inc. Harry Potter Publishing Rights JKR.           (s16)