Traps; they have been trampled by sheep and kangaroos, and will be eaten absolutely in less than 4 weeks. This makes use of recycled newsprint that's molded right into a condition which guards the eggs. Additional recently, egg cartons have also been made from expanded polystyrene and PET. Dr Tan https://gabletopmilkcarton.blogspot.com/2025/08/innovative-paper-water-bottle-designs.html