OverviewPreschooler development is a range from 3 to 6 years of age. Many physical and language milestones are achieved during this time period.
Update Date 11/20/2014
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.