Morphing Mugs Harry Potter (Aguamenti Slytherin) Heat-Sensitive Mug


Show your support for Slytherin with this Harry Potter Morphing Mugs® collectible. When you add your hot drink, the mug shows the Slytherin green, complete with an outline of a snake magically created with water and the Hogwarts crest.

The exterior of this officially licensed 11oz mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors.