This brush has a little camera built in. You touch a colorful structure with it, the camera picks it up and then you paint on a real large LCD screen.
The beauty of it is, that the camera picks up not only the color and structure of the object, but can also record small movements, like the closing of an eye and transfer that over to the screen.
This is a joy to see and play with I am sure too. It’s also an example for the computer more and more moving into the background.
The best wife of all says: I hate to be the Luddite (again) but I