Ceramic mug from Harry Potter with an allover Marauder's Map inspired design that reveals footprints when mug is filled with your favorite hot beverage.
Activate the magic spell by pouring hot liquid in and watching the transformation take place. This color-changing mug activates at 70°C/158°F. At that temperature the color of the mug will completely transform activating the spell!
Due to the hidden dark magic involved, this mug is NOT MICROWAVE SAFE and NOT DISHWASHER SAFE . Please hand wash only with a non-abrasive cleaner and soft sponge.