"Did you know, Mamma", the older one began while waiting for the school-bus to arrive. "Yesterday night, two aliens came here, and they were bad aliens, and they started fighting.
They hit each other with their shiny crystal swords. And because they are aliens, no blood came." His eyes were gleaming with excitement. "And then you know what happened? One alien hit the sword of the other alien very hard with his sword, and both the swords broke, and scattered small pieces of crystal everywhere. See!" He motioned with his hands.
All that to explain dew-drops glistening on the grass.
A drabble is a story told in exactly 100 words.