Answer:
I run up and down the stairs without moving. What am I?
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
When I am caught I am thrown away. When I escape you itch all day.
When I am caught, I am thrown away. When I escape, you itch all day. What am I?
The more holes you cover the lower I go.
What never asks questions but receives a lot of answers?