Goes from whole in its “shell” to a realistic handful of albumin and yolk. It can then return back to its prior form.
Egg is reusable if handled carefully and not given to children as a toy. Is not harmful but may leak and become if handled inappropriately or possibly if over-manipulated.
Why an egg??? Perfect for a Target Language Humpty Dumpty, Dr. Seuss’ “Green Eggs and Ham,” all Spring units, animal reproduction units, recipe days, etc. (watch for Spring issue of the new e-journal “Language Teacher Magic” for details!)