Jurassic Park Heat Change Mug - GatesHold onto your butts, this Jurassic Park mug is going to cause major excitement! Pour in your favourite hot beverage and watch the mug transform, revealing a T Rex loitering behind the huge park gates. Once the drink is finished the mug returns to its original state as it cools. Add a little suspense to your morning brew. Features: Ceramic Heat Changing mug. Add hot liquid to transform the design. Design features the gates to Jurassic Park. Not