As we know, the pretty patterns of mugs always bring us a very nice feeling, especially in your office, it might be able to improve your mood.
Now Pac-Man also comes in mugs. Under room temperature you just see th whole pattern, including a maze map, several colorful monsters and the dot food from Pac-Man. When hot beverage is introduced to the mug. the monsters will disappear. It seems they are afraid of hot water. So interesting.
The Pac-Man Mug costs about $9.88 USD, and you can buy it at Lazybone.
Updat: the above one has been sold out, you might like to check the officially licensed Pacman mug.