Mixed in with the pile of uninspired knickknacks on the thrift store shelf was a small sack of green marbles. They didn’t look like regular marbles. You could almost see through them, but your reflection got in the way.
There was no price, so the clerk sold them to Billy for a dollar. He studied each one that night while lying on his bed, putting them away as sleep overtook him.
In the morning, he was dead. An x-ray showed that his brain had shrunk to nothing.
Two weeks later, his family donated all his stuff to the thrift store.