Color Changing Coffee Mug

Experience a fun transformation with your morning brew! This image showcases a magical coffee mug that changes color. Starting as a solid black, it slowly reveals a striking red design with a vintage-style illustration of a man and a humorous phrase as hot liquid is poured inside. It's a delightful and surprising way to enjoy your coffee or tea.

coffee mug - color changing - heat sensitive - novelty - funny - drinkware - gift