8. Open the peg. Ta-da! Your baby dinosaur is hatching! Note: children will probably need some help cutting out the egg and baby dinosaur, as the pieces are quite small. Maiasaura is a duck-billed ...

The embryo, which was still in its egg when fossilization occurred, offers insights into how some dinosaurs may have prepared for hatching. Its curled posture resembles that of modern bird embryos ...