Traffic Light Magic Heat Sensitive Color Changing Ceramic Coffee Mug pants Fit for: Kids Age 4

Fit for: Kids Age 4 - 10 Years Old

and give themselves away to enrich their spare time

commonly used

automatic power off in case of water shortage

Small size

Traffic Light Magic Heat Sensitive Color Changing Ceramic Coffee Mug pants Fit for: Kids Age 4FEATURES Bring you fun: Fill it up and be ready to surprise! Normally it is a black ordinary coffee cup , but if you fill it with hot water, it will have magicalLit traffic lightpatterns. How to activate color changes: In order to activate funny coffee mugs the temperature of the hot liquid should be over 60C. Keep track of coffee temperature: It will follow the trajectory of the coffee and change the display range of the picture, which is a very