Answer:
A caribbean shape that makes ships disappear.
Die without me, never thank me. Walk right through me, never feel me. What am I?
There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What is it?
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too.
You heard me before and then again. Afterward I die until you call me again.
Break me and I am better immediately set and harder to be broken again.