Recite the phrase “I solemnly swear that I am up to no good”, tap your wand and learn the location of every inch of Hogwarts™. Manner your mischief as you sip your coffee. Watch as this 11 oz. morphing mug reveals the magical phrase as the heat from your favorite hot beverage displays the hidden Marauder’s Map in vivid color.
Harry Potter (Marauders Map) Morph Mug DescriptionGreat for coffee, tea, hot chocolate, any hot drink
Heat-Sensitive, color changing cup with vivid colors
Heat activation reveals hidden image
Ceramic mug is 11 oz. in size, weighs 1 lb
Designed and made in the USA
While this mug may be used in the dishwasher or microwave, for the longest lasting, highest quality product, we strongly recommend against it.
HARRY POTTER, characters, names and related indicia are trademarks of Warner Bros. Entertainment Inc. Harry Potter Publishing Rights JKR.