Dig in to your day when you sip your favorite brew in this fun, color-changing Harry Potter mug. Displaying a faceted Hogwarts School of Witchcraft and Wizardry crest amid shiny gold stars, this black and yellow ceramic cup features all four of the house mascots on the front to represent Gryffindor, Hufflepuff, Ravenclaw and Slytherin. Pour a hot liquid into the cup and witness the badger - the house mascot of Hufflepuff - appear on the back of the mug.