My 1st-grader and I were genuinely confused while watching a video about the Antikythera mechanism. He kept asking if it would give the money back when it reached the end of the calendar cycle.
He had connected the concept of using computers to buy things and was surprised that the Antikythera, while a computer, did not facilitate commerce. What a good starting point for a conversation about computing.
@2ck No, the device does not. My son assumed however, that it did