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?
Take away my first letter take away my second letter take away all my letters and I would remain the same.
What can be drawn but never taken?
I am black and white. I have strings I have keys. I make sound without my lips. I make dough with no flour
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.