Complete Life Cycle ModelThis complete honey bee life cycle model presents the full development of a worker bee, from an egg on day one through larva, pupa, and an adult ready to emerge. Made by Aperture Apiary, it is a vivid teaching aid that shows each stage of the 20 day cycle in one set. Features Shows the worker bee cycle from egg to emerging adult, days 1 through 20 Days 18 are affixed in the cells; days 920 are removable to hold in your hand Days 920 include magnetic