The Gift Season Exclusive (not sold in stores)
Say the words, pour in your liquid potion and make sure your mischief is managed all day long with this heat-sensitive, color changing mug.
This collectible ceramic mug features the magical phrase "I solemnly swear that I am up to no good" in white ink that's perfectly visible until you add your favorite hot drink. Then watch as the mug magically changes to a creamy off white color and another magical phrase "Mischief Managed" appears before your eyes.
Whether your drink of choice is coffee, tea, or hot chocolate, the exterior of this 11oz mug transforms from black as hot liquid is added, revealing the hidden artwork in full vivid colors, assuring your mischief stays 100% managed.
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Hand wash recommended.