Harry Potter's Expecto Patronum Color changing Cup

Expecto Patronum Color Changing Cup | Harry Potter Gadgets 

This Harry Potter's cup that changes color presents two different designs.

Cold, this expecto patronum cup shows the Expecto Patronum spell that wizards and witches can cast when they need protection from Dementors, the Harry Potter inscription on the other side of the cup.

When it's poured hot liquid, the cup reveals the Harry Potter's Patronus deer on the front and the inscription is getting color giving life to a unique magic.

Original product under official license

Add hot liquid to the cup to reveal Harry's patronus deer.

When it's cold, the mug presents the Expecto Patronum words and Harry Potter.