Keep your enemies real close with this super-fun heat chang mug, featuring one of Super Mario's foes, Boo!
This adorable 11-ounce mug goes from black when cold and reveals his many faces when warmed up.
Made of ceramic
Heat-changing mug that turns white when warmed
Based on the Super Mario Brothers video game series
Boo heat change mug
General Safety Warning: Products sold by BBTS may be intended for Adult Collectors.
Products may contain sharp points, small parts, choking hazards, and other elements not suitable for children under 16 years old.