the craft store would have everything except the AD markers probably. Get indigo blue and black prismacolors, you will see that the smoothness of the paper and the greasyness of the colored pencils will make it alot easier to draw...less resistance of the paper.
here is some sketches from my coroflot page:
this was done on the computer in alias studio paint
ad marker and bic pen on letraset paper
prismacolors on graphics 360