Answer:
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
I am a nut with a hole. What am I?
I have three heads. Cut off one I become stronger. Cut off two I become ten.
What building has the most stories?
I am rarely touched but often held and if you are smart you'll use me well.
I am rarely touched but often held. If you are smart you'll use me well. What am I?