RATED THE #1  MUST-HAVE GIFT FOR ALL THE GAME LOVERS

Enjoy retro refreshment while gaming with this Game Boy inspired heat change mug. Simply add a hot drink to see the screen of the classic handheld console load up with a game.  

Designed like the distinctive original Game Boy, with its retro grey style and simple button layout, the Game Boy Heat Change Mug is a great gift for gamers of all ages and is perfect for the kitchen at home or staff room at work. 

 Heat sensitive material on the mug surface turns color when hot liquid is poured in

Pattern on the mug changes when the temperature is above 45℃. Tea or coffee or just hot water are all ok.

Their principle is: the temperature-sensitive material is printed on the body of the cup, and the material used is a heat-sensitive material

Note: do not put it in the dishwasher or microwave