Candling eggs is a fun and educational activity for both children and adults When incubating eggs at home, candling ensures you keep only the healthy eggs It is also just really neat to see the embryos growing! You can candle your eggs at home, but be advised, if you have darker eggshells, they can be harder to see Lighter colored eggs are easier to see through All chickens’ eggs hatch after 21 days of incubating at 995F Stages of embryo growth are very similar throughout the bird kingdom, with only small variables differentiating them