HOW DOES IT KNOW WHAT YOU'RE THINKING?
Just think of an everyday object. 20Q will ask questions, which you answer by pressing buttons. marked Yes, No, Sometimes or Unknown. After a few simple questions, which sometimes seem very unrelated, 20Q will tell you what you're thinking with uncanny frequency!
To give you some idea of the kind of brain you're up against, this ingenious machine has been known to guess a mustache, glass bottle, and radiation. Deluxe version with larger LCD screen in gift box.