You open up the device and the image of two dice floats into view before your eyes. Fancy! You press the button and the dice begin to spin in mid-air. After several seconds, and plenty of ooh-ing and ahh-ing on your part, the dice stop spinning....
+
+
The numbers on the dice add up to 8.
+
+
The device begins to hum, and the air around you seems to become electrically charged. And then it stops.