ThinkGeek's Heat Changing Mug Changes Color When Holding Hot Beverages

By: Alyson Wyers - Dec 1, 2014
References: thinkgeek & thatsnerdalicious
If you're in the market for not just any old coffee cup, this heat changing mug is so awesome it's face-melting. Available from ThinkGeek, the Double Heat Changing Skull Mug transforms by changing color when hot water (or any warm drink) is poured inside.

The purple cup will go red when its contents are warm and white when hot, making it look like the skin is peeling away. The pirate-like heat changing mug is made out of ceramic and should only be hand washed. It also cannot go in the microwave or dishwasher.

Depending on the heat, the twice-changing coffee cup is a great conversation piece should you bring it into work to keep at your desk.