How to train to categorize through play

In this video I am going to teach some idea that how to train to categorize through play or step by step through play our own Dog and Puppy Cate's as follows ;-
Kittens are extremely tiny and adorable as well. Their eyes open sometime after they are born. Kittens are very energetic, and they spend their time playing with each other and loving their parents. also, they are some time afraid to peoples mothers, who are always ready to save their his her child and sharply looking .so how to train own puppy Cate to play other place or with human begins.