Harry Potter mug with heat changing Marauder's Map in black
Harry Potter Mischief MANGED Heat Changing Mug Marauders Map for sale online
I Solemnly Swear That I Am Up to No Good Looking for Peter Pettigrew but don't want Snape to catch you with a forbidden map? You need this Heat Activated Hogwarts Marauders Map Mug! The officially licensed mug changes colors when filled with a warm liquid (heated butterbeer, maybe?), revealing antique-looking lettering and graphics of Hogwarts. The apparitions look like magic, especially when they start to fade once you've finished your delicious drink.
Harry Potter Hogwarts Marauders Map Heat Change Mug
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Harry Potter Mischief MANGED Heat Changing Mug Marauders Map for sale online
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Harry Potter Hogwarts Marauder's Map Heat Change Mug