A real life Eyedropper tool! This is awesome. A pen with a little censor that scans the color of the object you point it at, then you can write in ink that exact color, it's like the eyedropper tool in photoshop outside of the computer.
Perfectly Warmed Bath: the pebbles are sensor-fitted heat-radiating artificial stones that maintain the water temperature for a set duration. So from start to finish you can have the same water temperature.