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More like this: white, mugs and hot drinks.
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Andrea Grellman Smith
Andrea Grellman Smith • 2 years ago

It changes to white and says "mischief managed" when you fill it with something hot. woooo! I must have this mug!

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i need this mug! when cool it is all black and reads "I solemnly swear that I am up to no good" and then when filled with hot liquid turns white and reads "mischief managed".

"I solemnly swear that I am up to no good" mug changes to "mischief managed" when hot... So cool!

DIY Harry Potter mug.

Mischief managed! ;) (WANT!)

Battery image appears when you pour in hot liquid, levels go down as your hot drink goes down. Maybe...coolest coffee mug ever.