You're right. This is normal behavior for a young kitten. However, your wife
in right also. The time is now to curb the biting and clawing.

If she seems like she's wound up, play with her with a laser light or
feather on a stick type toy. You could also try playing fetch. Any type of
play is good that doesn't involve giving her an opportunity to bite or
scratch you. She needs the activity to wear her out particularly if she is
an only kitten.

If kitty bites or claws say "no" and a high pitched "ouch" and put her down
and don't play with her for a few minutes. If she's attacking legs try the
same thing (no and ouch). If she persists, a time out in another room (like
the bathroom) is effective in getting the idea across that if she bites or
claws she isn't going to get any attention. This works better than
punishing.

Glad to hear she's doing well.

W

Your kitten is not "scratching" you; claws/teeth are grabbing
instruments.  And she's not old enough yet to realize that you don't
have the protective/grabbable layer of fur that she does.

A piece of thick string/yarn with a cloth bag on the end might help her
differentiate between stuff that you can sink your claws/teeth into and
stuff you can't.

Of course if you're nudists, you're in for a pretty painful time.

pat

I find that fun. I engage with them, playing with them with my hands and so
forth as they kick on my wrist-area with their legs and jump up at my hand
swishing her tail.<

Yes, she is being a kitten, with her biting and scratching and attacking your
legs. However, I wouldn't recommend playing with the kittens using your bare
hands. Otherwise, she will grow up thinking of your hands as toys. This might
be cute now but think of a grown cat biting and scratching your hands. Ouch!
Only use your hands to pet her and to feed her. A wand toy is good for
scheduled play sessions with your kitties. Play with her enough, and she might
just stop attacking your legs, although I wouldn't bet the farm on it. When she
bites and scratches you, stop playing with her for a few minutes. Else, she
doesn't understand that what she does can hurt you. Worse, if you keep playing
with her, she might think that biting and scratching can induce more playing.
Remember that cats are very smart; but they can only reason inductively.

Have fun with your kitten.

Dik

Kitty will grow out of this behaviour & believe it or not, you will miss it
when she grows older and calms down!!

My kitty always used to sink his sharp claws into my leg and try to climb up
my trousers.. it was painful. But after a few months, he did grow out of
doing that. Now we play, he is even sensitive about not biting me too hard!!