Answer:
What invention lets you look right through a wall?
I make billions of dollars selling windows. Who am I?
Send poorly behaved children to me and let them sit here. What am I?
What flies without wings?
I am always in front of you, but yet I am never here. What am I?
I flow from the Homer’s mouth when he sees doughnuts.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic