Answer:
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am I?
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
I go around in circles but always straight ahead never complain no matter where I am led. What am I?
I am found in the sea and on land but I do not walk or swim. I travel by foot but I am toeless. No matter where I go, I am never far from home. What am I?
I have 24 keys but cannot open any locks. Sometimes loud, sometimes soft. What am I?
What goes up the hill and down the hill, And spite of all, yet stand still?