The Eye of Sauron is always watching! Reveal the evil flaming eye that sat upon the tower of Barad-dur with this epic Lord of the Rings heat changing mug. When cold, the stoneware mug features a portion of the map of Middle Earth with the iconic words written in black speech on the one ring itself, "One ring to rule them all, one ring to find them, one ring to bring them all, and in the darkness, bind them" incorporated within the wraparound design. Simply pour in hot liquid to watch the map become engulfed in flames as the terrifying Eye of Sauron appears. The mug returns to it's original state as it cools. An awesome gift for any Lord of the Rings fan and a great addition to a fantasy display.