Answer:
I suck.
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I’ve told you all I cannot tell you more.
The more of this there is the less you see. What is it?
Taken from a mine and then locked up in a wooden case. I am used by students everyday.
What has 88 keys, but can’t open a single door?
The answer I give is yes, but what I mean is no. What was the question?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic