“I solemnly swear that I am up to no good.” Just recite the phrase and tap your wand to learn the location of every inch of Hogwarts™. The exterior of this Morphing Mugs™ heat-sensitive, color changing mug transforms from black as hot liquid is added to reveal a full color image of the Marauder’s Map, along with the two magic phrases made for its use. Whatever you’re up to, this mug (and your morning coffee) will help insure that your mischief stays 100% managed.
- Officially licensed color changing, heat-sensitive ceramic mug
- Heat-activation reveals hidden image
- 11oz in size, weighs 1lb
- Designed and printed in the USA by Trend Setters Ltd. Shipped from USA
- Authentic Morphing Mugs™ heat-sensitive mug
*While this mug may be used in the dishwasher or microwave, for the longest lasting, highest quality product, we strongly recommend against it.
**Intended for adults only, ages 17+