The Harry Potter Heat Changing House Revealing Mug featuring the Hogwarts Sorting Hat is a brand new collectable item perfect for fans of the franchise. This unique mug allows you to magically reveal the house crest of your choice with a simple pour of hot liquid, making it a must-have for any Harry Potter enthusiast. Whether used for enjoying a cup of tea or simply as a decorative piece, this mug adds a touch of magic and fantasy to any collection.