A perforated box, rather easy to make, that only needs newspaper or junk journal, corrugated cardboard and cardboard from a cereal box or equivalent. You then can paint it or add any embellishment you wish. I prefer this look.
Table of contents Material Making the mold Drawing the egg The mold The box
MaterialAdvertising brochures, newspapers, magazines, etc.;corrugated cardboard;a cereal box or equivalent  ;a (...)