Puzzle fans know when it's okay to brag just a bit! Just add a hot beverage to our color-changing ceramic mug and watch it change from black with sparkles to gradually reveal a puzzle-solver's joke on the front and your name on back. This attractive mug holds 11 ounces of whatever tea, coffee, or adult beverage you enjoy while puzzling. The perfect gift, and sure to get a laugh at your next puzzlers' night or board game gala! Hand wash only - not dishwasher or microwave safe. Ceramic. State name up to 12 characters.

*Sorry, express shipping is not available for the Personalized Puzzlers Color Changing Mug.