Answer:
What travels around the world without leaving the corner?
Mouth up it gets filled, mouth down it gets empty.
Sometimes it's silver but also gold. Printed on paper it's a treasure to hold. What is it?
The day is their night and the night is their day, when I shout and they shout back I run away.
What sphinxes employ and players enjoy.
What is big and yellow and comes in the morning, to brighten mom's day?