If your hamster just had babies, you would have to get a cage for each baby in a month if you're keeping them. If you are not, you could return the babies.
Never touch it, you can look at it with a flashlight...don't let the siblings live with it forever. A girl can live with its mom forever, But NOT the boy!
Leave them alone. The mother will take care of her babies. You should not touch the cage, mother or babies for at least 2 weeks. Give the babies and mother nutritious foods. and wait till they are 14...
If there is no mother for the new born hamsters, which are born blind, deaf, and naked, you can try to nurse them to a mature age (about 21 to 28 days). You will need a small feeding syringe, you can...