Have your own little ninja in training? Get them a gift that will let the world know just how ninja like they really are! This 325ml Morphing Mug transforms from black as hot liquid is added! Watch as the heat-activated process reveals the hidden image in full vivid colors!
Color Changing Ceramic Mug
Heat-activation reveals hidden image
325ml in size, weighs 1lb
Designed and Made in the USA
Not dishwasher or microwave safe