Answer:
What speeds on a track but isn't in a race and has a whistle to announce its steady pace?
I cannot be used until I have been broken. What am I?
Cows do this to salt and humans do it to ice cream.
I can be moved. I can be rolled. But nothing will I hold. I'm red and I'm blue, and I can be other colors too. Having no head, though similar in shape. I have no eyes yet move all over the place.
One time every year, there is a very special day. Little have the same, everyone party a different way.
What age most travelers have?