Answer:
How many letters are there in the English alphabet?
If you drop me, I'm sure to crack. Give me a smile and I'll always smile back. What am I?
With a halo of water and a tongue of wood; stone as skin long I stood.
I am always coming but I never arrive. What am I?
What flies without wings?
I am used for light yet I am solid. Without me you would feel enclosed. I hate being touched especially with a lot of force. I like to be in buildings.