Answer:
Hard to catch, easy to hold. Can't be seen, unless it's cold.
I can be quick and then I'm deadly, I am a rock, shell and bone medley. If I was made into a man, I'd make people dream, I gather in my millions By ocean, sea and stream.
The root tops the trunk on this backward thing, that grows in the winter and dies in the spring.
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
What can run but can’t walk?
What did the piece of wood say when he saw the screwdriver and screws approaching?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?