Answer:
What is something you can hold without ever touching?
Long and thin, red within, with a nail at the end.
It can be done to buttons and shopping carts. What is it?
What hangs in the sky by day but at night goes away?
Round and round I go never stopping in a continuous flow. I hang out with numbers each and every day and nothing ever gets on my way. What am I?
I am a room that has a roof but no walls. What am I?