Put the original record in the wood box and pour the silicone mix over the record to create a mold. Then pour the liquid plastic into the silicone mold to make the copy of the record.
Not easy as copying Mp3′s but doesn’t feel as evil cause you made it.
Read the step-by-step here: http://mikesenese.com/DOIT/2010/07/how-vinyl-records-are-made-and-how-to-pirate-a-vinyl-record/