I solemnly swear that I am up to no good
Messrs Moony, Wormtail, Padfoot and Prongs are proud to present the Harry Potter heatchange mug by ABYstyle. With this mug, pour some hot tea or coffee, and the Marauder’s map will appear at once!
Design changes when you pour hot liquid
King size (460ml)
Not suitable with microwave and dishwasher