Posted by a reviewer on Amazon

I wish i could post a video to prove it

Posted by a reviewer on Amazon

Picture changed with temperature of my coffee

Posted by a reviewer on Amazon

The design changes when hot water is poured into the mug

Posted by a reviewer on Amazon

Seemed like a cool concept and i wasnt disappointed

Posted by a reviewer on Amazon

Something youd expect at a gift shop around halloween

Posted by a reviewer on Amazon

The hot water artwork far more detailed

Posted by a reviewer on Amazon

Watching the transition in action is pretty cool and eerie see the included video

Posted by a reviewer on Amazon

A picture or err video is worth a thousand words