Color changing mug "E = mc 2". Are you crazy about science? This mug is for you!
This heat sensitive mug is changing color and the design is visible as soon as you pour some hot beverage. Perfect for tea, coffee, hot chocolate or whatever you like as a hot drink. Will turn black as it cools down.
These are a fantastic gift for housewarmings, wedding, showers, work parties, and more!
High quality mug is the perfect inexpensive novelty gift for everyone, men and women, best friends gift or coworkers!
- Volume: 11 fl oz
- Size: 3.74" H x 3.2" D
- Specification: Gift Box
- Material: Porcelain
- Because of the special coating used, the mug is not suitable for microwave or dishwasher use