There was absolutely no sensation at all. In fact, at first Athena thought nothing had happened. The boxes were identical and there was nothing to show that they had moved. Hephaestus laughed long and loud. "Done it!" he shouted and punched the air above his head. "We've done it. Yey!"

"How do you know?" asked Athena. He pointed to a number painted over the door. It read '2'.

"Now, watch the number," he said, and pressed the button again. It instantly turned to '1'. ...