Answer:
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
Although my cow is dead, I still beat her. What a racket she makes!
What is up thatβs also down? Whatβs a smile and a frown?
We are five little objects of an everyday sort. You will find us all in a tennis court.
What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.
I am rarely touched but often held. If you are smart you'll use me well. What am I?