Answer:
A man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?
A precious stone, as clear as diamond. Seek it out while the sun's near the horizon. Though you can walk on water with its power, try to keep it, and it'll vanish in an hour.
We are five little objects of an everyday sort, You will find us all in a tennis court.
Searing 'cross the pitchΒ-black skies, I scream in celebration, Yet moments later, my outburst through, I am naught but imagination.
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
I can only be played on a windy day