Answer:
A precious gift, yet it has no end, no beginning, and nothing in the middle.
What time of day, when written in capital letters, is the same forwards, backwards, and upside down?
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
Old Mcdonald had this
It can be used onstage or to express admiration. What is it?
I am a room that has a roof but no walls. What am I?