In the "real deal", each section of the test is a separate booklet. You also get a separate answer sheet for each section. The writing section is a small test book and a small essay book.
For each section - PS, VR, WS, and BS you will get the test booklet for that section only and an answer sheet (or essay book). Once you're done with each section, it's taken-up and you'll never see it again. The test books are single-use and you can scribble whatever you like on them in the margins (I don't know if I'd draw funny pictures, though, because you'll sign your booklet also) - there is no scratch paper provided.
The essay is supposed to be in black ink - ball point or felt tip or whatever is up to you (I've heard of some centers insisting on ball point, but I prefer a hard-tip felt and nobody said anything).
Good luck!
