Harry Potter: Polyjuice Potion Heat Mug

  • $15.00
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Harry Potter - Polyjuice Potion Heat Changing Mug

Trick people into thinking you've swapped your morning Milo for a complex and time-consuming Polyjuice Potion! 

This super cool Polyjuice Potion mug changes its design when you fill it with a hot liquid, watch as the bubbles disappear to reveal the Polyjuice Potion label in detail!