Answer:
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
What can you throw but not catch?
It's usually found dried, but often kept slicker. Above another need, it's said to be thicker. What is it?
What runs around all day. Then lies under the bed. With its tongue hanging out?
Iron roof, glass walls, burns and burns and never falls.
I have two eyes in the front and a lot of eyes on my tail