Answer:
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams dreamt, my merest touch brings laughter.
Kills the bad ones and the sad ones. Tightens to fit, so one size fits.
As beautiful as the setting sun, as delicate as the morning dew. An angel's dusting from the stars. That can turn the Earth into a frosted moon.
We are five little objects of an everyday sort. You will find us all in a tennis court.
When it is alive we sing, when it is dead we clap our hands. What is it?
I can only be played on a windy day