Answer:
It's tough as nails, Or soft as snow. People use it for their rink, Some just put in their drink.
Longer than a decade and shorter than a milennium
What is used by man, tossed by trees, everywhere but unseen?
The little pink nub that helps rectify mistakes.
This small, round stone fruit that is typically bright or dark red, is often served on top of whipped cream on a milk shake.
People take me on walks and I run and have fun. What am I?