Related milestonesWhile lying on tummy, lifts and holds head upBy 2 MonthsNot StartedWhile lying on back, visually tracks a moving toy from side to sideBy 2 MonthsNot StartedShows interest in facesBy 2 MonthsNot StartedAble to move fists from closed to openBy 2 MonthsNot StartedMoves legs and arms off of surface when excitedBy 2 MonthsNot Started