So i have three kittens and they are three weeks old..The mother is still feeding them but i still think that i should start introducing them to watered down kitten food.. and i have tried but they are not interested at all.. right now all there interested in is playing. Im just worried about training them when the time is right. but i dont know how or when to start. These are my frist new born kittens so im like a new mom.. lol i need alot of help..