The first thing you want to control the number of litter boxes you have. It should be the same number a number of cats you have, plus one more. For example, if I have three cats, then I have four boxes.
Next, you want to see where you saved the box.
Cats are creatures very demanding and difficult, and clean.
Attempt to show the cat where you use the box.
If you follow all these tips, then you should be able to get your kitten to use the box.
I hope these tips have worked for you, have worked for thousands of parents still cat!