Answer:
If a man carried my burden, he would break his back. I am not big but leave silver in my tracks. What am I?
I am a small paradise surrounded by dryness and heat. What am I?
What asks but never answers?
What can fill a room but takes up no space?
What has 4 fingers and a thumb but is not living?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.