Answer:
Turns me on my backs and open up my stomach. You will be the wisest of men though at start a lummox.
It's in your hand though you can not feel it. Only you and time can reveal it.
I go up when the rain comes down
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
I have wheels and flies yet I am not an aircraft.
What language does a billboard speak?