Answer:
Which button does not function when being pressed?
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
You can spin, wheel and twist, but this thing can turn without moving. What is it?
I can travel from there to here by disappearing, and here to there by reappearing.
Halo of water, tongue of wood. Skin of stone, long I've stood. My fingers short reach to the sky. Inside my heart men live and die.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?