Harry Potter: Magical Color-Changing Hogwarts Candle (10 oz) by Insight Editions
A MAGICAL SURPRISE: Light the candle and watch the wax magically change from white to one of the Hogwarts™ house colors - red for house Gryffindor™, blue for house Ravenclaw™, yellow for house Hufflepuff™, and green for house Slytherin™.