Answer:
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.
It flies when it's on and floats coming off.
What is the smallest bridge in the world?
I can travel from there to here by disappearing, and here to there by reappearing.
I have two eyes in the front and a lot of eyes on my tail