It can very. Usually about 6-7 weeks.
If they are hungry and are annoyed by their siblings
They fight because they are siblings and they disagree.
you shouldn't put hamsters on leads you should leave them in a cage or let them out in there ball.
Hamsters leave their mothers at 2 weeks old. After this it is o.k to hold them.
Even hamsters that are siblings will fight because they like to live alone. Dwarf hamsters can live together though, but only if they re brought up together.
Baby hamsters leave their mother at three weeks old.
Six weeks.
You should absolutely leave baby hamsters alone until they are weaned.
when they are 3/4 weeks all hamsters must be put in separate cages away from their mom
If you leave them food and water.
No, leave them alone - the mother does the work.
they should be aroud 3 weeks or 4