Hogwarts Color-Change Water Glass

Raise a chalice to the world of witchcraft and wizardry with this beautifully designed Harry Potter Colour Change Water Glass. The 400ml (13 fl oz) goblet shaped drinking glass magically changes colour when filled with cold liquid. Simply add your favourite chilled drink and watch the iconic Hogwarts crest transform from black and white to the colours of each Hogwarts house - red for Gryffindor, yellow for Hufflepuff, blue for Ravenclaw, and green for Slytherin. Not suitable for dishwasher or microwave use. The Harry Potter Colour Change Water Glass will impress any Wizarding World fan.