Before a cat is a cat, it is a kitten. They can't open there eyes or hear before they are 2 weeks old. When they are 3 weeks old, they start eating. At 4 weeks they start cleaning themselves. Then at 5 weeks they start eating dry foods. When they are 6 weeks old they can go outside. And at 7 to 9 weeks their teeth have grown in and there eating 2 to 3 times a day. Kittens will gain a lot of weight. They will also develop an excellent  sense of smell. 

If you have a cat or a kitten, you should do the following:

Never pick them up by the neck!! The mom can pick up the kittens by there neck when they are little to move them around. If your cat or kitten is neutered or spayed, don't give them a lot of food, because, if you do they will become very fat! They should always were a collar so if they get lost, if somebody finds them they can give them back. They shouldn't go outside before they get a vaccination. They can have fleas. They need toys to play with. Kittens like curling up together to go to sleep to keep warm. They need lots of attention. They meow when they are lost and then there mom's come. Mom's and kittens stay together. Kittens are very curious, let them rome.