Answer:
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
I have an eye but I cannot see. What am I?
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word. What am I?
You bind me and I walk. You loosen me and I stop. What am I?
I am whole but incomplete. I have no eyes, yet I see. My largest part is one fourth of what I once was. What am I?
The strangest creature you'll ever find: Two eyes in front and many many more behind.