Blowing out the contents of an egg will not be too tough. It is advisable to rigorously prick a hole at each end of a contemporary egg whose shell has been completely washed and disinfected. Widen the holes to about half a centimetre throughout. Now place your mouth over the upper hole and blow gently to push the yolk and albumen out the other hole. A pin pushed up by means of the underside gap may assist to break the yolk if it will get stuck. As soon as the egg is dry it can be painted or dyed or…