Answer:
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
What goes up when the rain comes down?
Talks like this, a green wise man does. Guess my clue, you will.
What surrounds the world, yet dwells within a thimble?
It's what light turns into in the night
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?