Prepare to be amazed by our range of fantastic heat changing mugs. Simply pour your favourite hot beverage in and watch the design magically change before your eyes. As the contents of the mug cool the design will change back to its original state. This IT mug depicts Pennywise\'s silhouette face obscured by his iconic balloon with IT printed in red when cool. When hot water is added Pennywise comes in to focus just like when he\'s luring children to their deaths down the storm drains underneath Derry. Terrifying! This mug is not for the faint-hearted.