   #
   animateLines: (root) =>
     # Fade in the root
+    @lines_object.add root._text_object
     @fadeToArray(1, 1000) root._text_object.children
     @panCameraToObject root._text_object
         .then -> traverse root

    lines_object.updateMatrixWorld(true)
    @scene.add lines_object

    root = linesToTree lines

    @addObjects(lines_object)(root)

            parent = node._parent
            promises = siblings.concat(parent).map (child) =>
              @fadeToArray(0, 1000) child._text_object.children
                .then => @lines_object.remove child._text_object
            return Promise.all promises
          return true
        .then =>
          # Fade in children
          if next_child?
            promises = node.children.map (child) =>
              @lines_object.add child._text_object
              # Get the array of letters for the target word only
              children = @getLetterObjectsForWord child._text_object, node.word
              @fadeToArray(1, 1000) children
