I solemnly swear that I am up to no good.” Say the famous phrase and let the Marauder’s Map come into focus with this Morphing Mugs cold-sensitive clue mug. Add ice cold liquid to this mug to emblazon the faded ...

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I solemnly swear that I am up to no good.” Say the famous phrase and let the Marauder’s Map come into focus with this Morphing Mugs cold-sensitive clue mug. Add ice cold liquid to this mug to emblazon the faded Marauder’s Map and reveal it in full, dark colors. When you’re done, you’ll find your mischief 100% managed.

  • Do you know Hogwarts as well as Moony, Wormtail, Padfoot and Prongs? If you solemnly swear you are up to no good, then this 16 oz color changing mug is for you!
  • At room temperature, this mug appears to only show the phrase “Mischief Managed”. Add a cold liquid and the Marauder’s Map magically appears!
  • We didn't use the Doubling Charm on this product! Images are to show the mug’s design from left to right. This listing is for one (1) glass mug.
  • To preserve the mystical abilities of this mug, we recommend hand wash only. Not microwave safe.
  • Trend Setters Ltd. in Illinois creates and designs a variety of officially licensed products from your favorite fandoms as well as hundreds of original designs.
  • Do you know Hogwarts as well as Moony, Wormtail, Padfoot and Prongs? If you solemnly swear you are up to no good, then this 16 oz color changing mug is for you!
  • At room temperature, this mug appears to only show the phrase “Mischief Managed”. Add a cold liquid and the Marauder’s Map magically appears!
  • We didn't use the Doubling Charm on this product! Images are to show the mug’s design from left to right. This listing is for one (1) glass mug.
  • To preserve the mystical abilities of this mug, we recommend hand wash only. Not microwave safe.
  • Trend Setters Ltd. in Illinois creates and designs a variety of officially licensed products from your favorite fandoms as well as hundreds of original designs.

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