Harry Potter Marauder’s Map Heat-Changing Mug

Discover the enchanting **HARRY POTTER Heat Changing Mug** inspired by the iconic Marauder’s Map. This officially licensed mug is a must-have for any Potterhead. Initially, it displays the Marauder’s Map password, “I solemnly swear that I am up to no good,” along with mysterious footprints of Hogwarts students and teachers. Pour in hot liquid, and watch as the mug reveals the intricate Marauder’s Map featuring Moony, Wormtail, Padfoot, and Prong. Once cooled, the secret closing phrase, “Mischief Managed,” emerges, completing the magical cycle. Ideal for gifting or personal use, this mug brings the wizarding world to life in a unique, heat-activated design. Embrace the magic with this officially licensed Harry Potter merchandise.