Answer:
We are five little objects of an everyday sort. You will find us all in a tennis court.
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
What begins and has no end? What is the ending of all that begins?
I have one eye. See near and far. I hold the moments you treasure and the things that make you weep.
Thirty white horses on a red hill, First they champ, Then they stamp, Then they stand still.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?