Answer:
I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help. Yet many people are afraid to let me help them.
We are five little objects of an everyday sort. You will find us all in a tennis court.
What is up thatβs also down? Whatβs a smile and a frown?
Many have heard it, but nobody has ever seen it. It will not speak until spoken to. What is it?
A thousand colored folds stretch toward the sky. Atop a tender strand, rising from the land, until killed by maiden's hand. Perhaps a token of love, perhaps to say goodbye.
The more of me you take, the more I appear behind you. What am I?