Special Gift Tetris Color Changing Cup Coffee Cup
Capacity: About 300mL
Color: As picture shows
New element: Tetris/Color Changing
Special Gift Tetris Color Changing Cup Coffee Cup, all black, cylindrical, mysterious and enigmatic. You can't image even an ordinary cup have so much magic power. When injected into the hot water, a battery in the cup will be immediately charged then lights,and fully charged. And when the cup slowly cools,the battery will be power off. Is it amazing? This Special Gift Tetris Color Changing Cup Coffee Cup will certainly give you full power to make your day full of vitality. Drink more water, live healthier life!