Harry Potter 400ml Heat Changing Mug - Marauder's Map

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The Harry Potter Marauder's Map Mug is guaranteed to bring a smile to the face of any Harry Potter fan. When cold, the mug features the password to the Marauder's Map "I solemnly declare that I am up to no good" and when hot liquid is poured into it, Moony, Wormtail, Padfoot and Prong's Marauder's Map is revealed. At the bottom of the mug, the words Mischief Managed are revealed as the mug cools again; back to its original state.

Product Features

  • 400ml capacity
  • Stoneware
  • Perfect for tea, coffee and other hot drinks
  • Gift Boxed