The playful antics of kittens are hard to resist, but adult cats are better suited to the often clumsy and rough handling of inquisitive toddlers. Kittens also need to be house-trained, but they adapt quickly to new surroundings. If you work, consider adults, as they need less supervision. More than one cat or kitten adds to the fun and gives you a reprieve from being the playmate. Multiple felines are also great if you're out of the house a lot.
Healthy cats have clear, bright eyes, pink gums, a clean nose and ears, and a smooth, shiny coat.
Small black speck on the fur indicate fleas. Check the litter box to make sure the fecal matter is formed, not runny. Look for a feline who's easy going and responds to you. Kittens should be active, outgoing, and willing to be handles. A feline who shies away from you might be more suited to a quiet household.