GUARANTEED! We guarantee LIVE arrival of your caterpillars. Once the caterpillar has changed into a butterfly, the fourth stage starts. This is also that last stage in the life cycle.
Spoiler: Each step is weird, amazing and beautiful! Love Animal... Raising a caterpillar to the adult stage is a pretty cool science/home learning experience. You get to witness one of the natural world's most amazing events: the change from a caterpillar to a butterfly.