Answer:
It can be used onstage or to express admiration. What is it?
You do this into someone's ear when you want to be discreet.
What is filled with air and sometimes a gas, tied to a string and often seen on your birthday?
You'll have to consult an optometrist if you want to improve this.
A red house is made out of red bricks. A blue house is made out of blue bricks. What is a green house made out of?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.