He removes a wooden piece from his pile of frames and says, “That” as he sets it on the floor, perhaps designating the start of a new structure ().As he moves the second wooden piece into place, he says, “Like this” (). ” when a wooden piece tips and does not align with the piece below (). He carries the second wooden piece with “legs” extended () and ready to be inserted into the empty notches of the piece below.Tommy adopts the strategy of helping as a way to participate in Oliver’s play.He brings another wooden piece over to the tower and sets it down close by Oliver’s reach ().Oliver raises a wooden piece above his head and stands tall in order to add it to the top.
Like solving a puzzle, Oliver searches the piece in his hand for the protruding parts (legs) that will fill the empty notches.
Oliver stands on the stool with the tower nearly eye-level.
He begins to lift the wooden piece () but then pauses and looks at the top of the tower ().
He works to add a third level by seating one leg and then wiggling the wooden piece until the other three legs shift into place (-).
Oliver notes his progress as he steps back to observe the tower (-), before reaching for another wooden piece.
He shows resourceful planning by orienting the “legs” correctly ahead of time.