My cat had kittens. shes a youg mom, shes not feeding them // help?

yes, i know cats, but this is the first time, ive deakt eith this.. shes not feeding her 5 babies, and i fear they will die, i wrok evening, but im off fot the next 2 days, i resally dont knoe if im gonna be able to do the bottle thing, because of the demand of the feeding time.. any suggestions??? thanks, jess