Answer:
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
There are millions of me. I am very small but when moving fast I am deadly.
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.
The eight of us move forth and back. To protect our king from the foes attack.
There are two meanings to me. With one I may need to be broken, with the other I hold on. My favorite characteristic is my charming dimple.
Why was the cook arrested?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?