Answer:
What was the first man made invention that could see through a wall?
They are two brothers. However much they run, they do not reach each other.
There are four of these, but everyone's favorite seems to be spades.
What goes through a door but never goes in and never comes out?
What age most travelers have?
People take me on walks and I run and have fun. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?