If coffee you drink, this mug perfect will be! Whenever you enjoy your favourite hot drink with this Star Wars Lightsaber heat change mug, it will activate the different coloured lightsabers on the mug\'s exterior. The stylish black design makes it an ideal gift for any Star Wars fan and the special heat change Lightsaber feature helps awaken the force on a mundane Monday morning. Features: Star Wars heat change mug Different coloured lightsabers around exterior Classic Star Wars logo Porcelain material