Answer:
What has a foot but no legs?
A locked sphere without hinges or key. Break me open and golden treasures you'll see
Poorly behaved children often find themselves sitting in these.
A man without bones whose flesh is cold. A man unthinking who is always shrinking. Who is he?
My neighbor makes mistakes. I get rid of them. Who am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?