Stages ofMy Life By gabrjoh Period: Aug 2, 1998 to Aug 2, 2000 Piaget's Stage 1 (Sensor-Motor) Period: Aug 2, 1998 to Nov 2, 1998 Prenatal Stage Period: Aug 2, 2000 to Aug 2, 2004 Piaget's Stage 2 (Pre- Operational) Period: Aug 2, 2004 to Aug 2, 2009 Piaget's Stage 3 (Concrete Operational) Period: Aug 2, 2009 to Feb 5, 2016 Piaget's Stage 4 (Formal Operational)