I have eggs should I incubate or see if they will hatch them?? when will they sit on them?HELP

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They started laying on Thurs afternoon My trio layed the first one then they laid one more on fri and two more yesterday (sat) , Then my pair laid one one fri and one on sat they seem to lay eggs the same time in the afternoon, so should I incubate them or see if they will sit on them?? I heard they will only sit on them if there are more then five eggs?? Is this true? The thing is I do not have any place to put them after they hatch!!! So what do I do??? And I am not looking to have cages everywhere I just think it would be a good experience for my son to see his birds babies hatch , But then what? Anyone in naples area that would want them if they hatch???

 

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These are button Quail by the way LOL