1) Wooden skimboards - made of wood (suprising) , in eliptical form, used for flat water, about 2-5 sm, for doing tricks as shouve-it(s) , rotations or slides.
2) Made of plastic - for riding in the oceans ans seas. Looks like Hawaii surf, but it's without fins and it's smaller. You can ride waves , closer to the sands.
Sites - www.njskim.com , www.skimonline.com
Skim is gread, did it!