Answer:
A metal snake that runs on tracks.
Fred and Wilma's child, named after a stone.
What has to be broken before you can use it?
When one does not know what it is, then it is somethingอพ but when one knows what it is, then it is nothing.
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright
I am the same written forward backward and upside down.
Kids
Animal
Difficult
Easy
Food
Funny
Logic
What am I?