Answer:
There are 30 cows and 28 chickens. How many didn't?
You can see nothing else, When you look in my face, I will look you in the eye, And I will never lie.
Kills the bad ones and the sad ones. Tightens to fit, so one size fits.
It's in your hand though you can not feel it. Only you and time can reveal it.
Talks like this, a green wise man does. Guess my clue, you will.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?