Worldfashion Lighting Bulb Color Changing Heat Kruzhkus Mug Sensitive Porcelain Tea Coffee Cup
It is a magic sensitive Heat mug, inject hot water to lighting the bulb,funny when you have a party. >It is a Coffee/water Mug Packaged individually in an attractive gift box. >When hot liquid is pored into the mug the bulb turns in yellow. Dimention: 8*8*9.5cm Packing size: 11*9*13.5cm Product Features Porcelain Mug in funny
Nice idea The cup is well designed and looks great, nice finish, but the yellow color is not a very bright yellow color. even if you pour a boiling water it does not become dark yellow