how do you train a kitten to use the litter box
Litter training a new kitty can be very challenging. Here is a very useful guide in potty training your cat: http://www.catsofaustralia.com/kitten_toilet_train.htm/.
Usually if you just place them in litter box a few times they just pick it up. Give kitten small space at first and once they are using box give them mire space.