Answer:
Break me and I am better immediately set and harder to be broken again.
You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board I'm often described like a mop.
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
I do not contain flesh feather or scales; yet I have fingers and thumbs.
What has a bottom at the top?
What did the baby corn say to its mother?