An instant camera (I used a Fuji mini 50s)
Film for the instant camera (Instax)
Transparencies (overhead projector type)
Possibly a computer and printer, or some artistic skill to draw/write on the transparency
I chose to create business cards with this process. What you do, is limited by your imagination. Decide what you want in your picture. I'm going to assume you are interested in making your own business card.