The Game boy Mug heat change mug contains ten ounces retro refreshment, that requires no batteries.Many people depend on caffeine to keep them awake and alert throughout the day.The Game Boy Heat Change Mug is a great way to get an energy boost while also enjoying a cup of nostalgia.Creative Game Machine Magic Mug Temperature Color Changing Chameleon Cups Heat Sensitive Cup Coffee Tea Milk Mug For GiftsDiameter: 8cmHeight: 9.5cmMaterial: CeramicCapacity:about 300mlThe cup cannot put in the microwave or dishwasher.Feature:When add hot water in the cup, the coffee cup game pattern will gradually brighten!And when the water cooling, coffee cup game pattern will gradually darken.It Is Very Funny And Magical, Increase Fun At Your Daily Life.Package Include:1 x Magic Mug
