Answer:
What is as big as you are and yet does not weight anything?
I bind it and it walks. I loose it and it stops.
We are five little objects of an everyday sort. You will find us all in a tennis court.
I can be quick and then I'm deadly, I am a rock, shell and bone medley. If I was made into a man, I'd make people dream, I gather in my millions By ocean, sea and stream.
I can be cracked, I can be made. I can be told, I can be played.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?