Oh, what sweet kittens. You have a nice of assortment of colors too. Through the years we have had a lot of gray cats. Its no easy job bottle feeding kittens. I have done it a couple of times, in fact, tiny kittens caused a disagreement between hubby and me one time.
He brought them home expecting me to raise them.
At the time, I was working full time with two very small boys.
Luckily we found someone else to take them.
I have four cats, found my last one in the middle of the road this summer screaming her little head off, I'm sure she had been dumped. She's a sweety, here's her picture.
Good luck!