My Favorite Chicken Rubber Nest Eggs, 2 count, Brown; Improve your gal pal’s egg production habits with My Favorite Chicken Rubber Nest Eggs. These realistic nest eggs encourage your hen to lay her eggs inside the nest box instead of the floor of the coop. They also help discourage pecking and egg eating by the rest of your feathered flock. These nest eggs are crafted using strong, long-lasting rubber material and can be used to test the broodiness of your beaked buddy.