Which Hogwarts house feels like home? Show support for your chosen house with a personalized house coffee mug with your picture (or the picture of your favorite Harry Potter enthusiast!). The mug is black when cold, but the house mysteriously appears when filled with a hot beverage. The mug is ceramic. Other Muggle-approved house mugs available!
If heat-change mugs are magic, then this one certainly is! When cold, it displays the Harry Potter logo on a black background. When hot, it lights up. If this isn't magic, then it must be a muggle trick!
This magical heat change mug shows a sneaky niffler trying to steal a pocket watch. But you can only see him when the mug is hot. When the mug is cold, it displays the Fantastic Beast logo on a black background.
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