This Harry Potter heat changing mug is sure to cast a magic spell over your morning brew.
Cold, the mug shows the famous Deathly Hallows symbol - a circle within a triangle, with a vertical line through the centre - in white on a black background.
When hot liquid is poured in, the mug transforms to reveal a strong green repeat pattern of the Deathly Hallows symbol and three scrolls are shown to be wrapped around the main symbol showing the words Power, Longing and Humility.
Once the drink is finished, the mug returns to its original state as it cools. An essential for any Harry Potter fan.
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