Warm-ade / Craft

A cup and a plate make up one set. bottom of the cup, which contacts to the groove of the plate, turns on the switch of the 'Temperature Maintain Device' for your drink.

Using bimetal matter, this Temperature Maintain Device control by itself. If the temperature goes up, it turns off.
Visa versa, if the temperature goes down, it turns on again, and supplies needed energy to heat the drink.

It shows the optimal temperature to user through graphic on its surface.

If you put your cup down on the plate, it operates again for optimal temperature for your drink.