diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/DoubleSliderControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/DoubleSliderControl.java
index fe35d3e1..51c2a8b2 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/DoubleSliderControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/DoubleSliderControl.java
@@ -26,8 +26,8 @@ public class DoubleSliderControl extends SimpleControl<DoubleField, HBox> {
    * - slider is the control to change the value.
    * - node holds the control so that it can be styled properly.
    */
-  private Slider slider;
-  private Label valueLabel;
+  protected Slider slider;
+  protected Label valueLabel;
   private double min;
   private double max;
   private int precision;
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/IntegerSliderControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/IntegerSliderControl.java
index 4699d09a..1bcfba16 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/IntegerSliderControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/IntegerSliderControl.java
@@ -23,9 +23,9 @@ public class IntegerSliderControl extends SimpleControl<IntegerField, HBox> {
    * - slider is the control to change the value.
    * - container holds the control so that it can be styled properly.
    */
-  private Label fieldLabel;
-  private Slider slider;
-  private Label valueLabel;
+  protected Label fieldLabel;
+  protected Slider slider;
+  protected Label valueLabel;
   private int min;
   private int max;
 
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleCheckBoxControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleCheckBoxControl.java
index 4fa6fe21..70a7a2d2 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleCheckBoxControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleCheckBoxControl.java
@@ -43,7 +43,7 @@ public class SimpleCheckBoxControl<V> extends SimpleControl<MultiSelectionField<
    * - The checkboxes list contains all the checkboxes to display.
    * - The node is a VBox holding all node.
    */
-  private final List<CheckBox> checkboxes = new ArrayList<>();
+  protected final List<CheckBox> checkboxes = new ArrayList<>();
 
   /**
    * Constructs a SimpleCheckBoxControl of {@link SimpleCheckBoxControl} type, with visibility condition.
@@ -137,7 +137,7 @@ public void setupEventHandlers() {
    * This method creates node and adds them to checkboxes and is
    * used when the itemsProperty on the field changes.
    */
-  private void createCheckboxes() {
+  protected void createCheckboxes() {
     node.getChildren().clear();
     checkboxes.clear();
 
@@ -156,7 +156,7 @@ private void createCheckboxes() {
   /**
    * Sets up bindings for all checkboxes.
    */
-  private void setupCheckboxBindings() {
+  protected void setupCheckboxBindings() {
     for (CheckBox checkbox : checkboxes) {
       checkbox.disableProperty().bind(field.editableProperty().not());
     }
@@ -165,7 +165,7 @@ private void setupCheckboxBindings() {
   /**
    * Sets up event handlers for all checkboxes.
    */
-  private void setupCheckboxEventHandlers() {
+  protected void setupCheckboxEventHandlers() {
     for (int i = 0; i < checkboxes.size(); i++) {
       final int j = i;
 
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleChooserControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleChooserControl.java
index dee718b3..ef9f68a2 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleChooserControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleChooserControl.java
@@ -55,10 +55,10 @@ public class SimpleChooserControl extends SimpleControl<StringField, StackPane>
    * editableField allows users to modify the field's value. - The readOnlyLabel displays the
    * field's value if it is not editable.
    */
-  private TextField editableField;
-  private TextArea editableArea;
-  private Label readOnlyLabel;
-  private Label fieldLabel;
+  protected TextField editableField;
+  protected TextArea editableArea;
+  protected Label readOnlyLabel;
+  protected Label fieldLabel;
   private Button chooserButton = new Button();
   private HBox contentBox = new HBox();
   private String buttonText;
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleColorPickerControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleColorPickerControl.java
index d77f07ea..44c8db39 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleColorPickerControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleColorPickerControl.java
@@ -45,7 +45,7 @@ public class SimpleColorPickerControl extends SimpleControl<StringField, StackPa
   /**
    * - The colorPicker is the container that displays the node to select a color value.
    */
-  private ColorPicker colorPicker;
+  protected ColorPicker colorPicker;
   private Color initialValue;
   private Label fieldLabel;
 
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleComboBoxControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleComboBoxControl.java
index adfbc360..1bf53f91 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleComboBoxControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleComboBoxControl.java
@@ -47,9 +47,9 @@ public class SimpleComboBoxControl<V> extends SimpleControl<SingleSelectionField
    * - The readOnlyLabel is used to show the current selection in read only.
    * - The node is a StackPane to hold the field and read only label.
    */
-  private Label fieldLabel;
-  private ComboBox<V> comboBox;
-  private Label readOnlyLabel;
+  protected Label fieldLabel;
+  protected ComboBox<V> comboBox;
+  protected Label readOnlyLabel;
 
   /**
    * Constructs a SimpleComboBoxControl of {@link SimpleComboBoxControl} type, with visibility condition.
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleListViewControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleListViewControl.java
index aa9f738e..ccd144ab 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleListViewControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleListViewControl.java
@@ -44,12 +44,12 @@ public class SimpleListViewControl<V>
    * the field.
    * - The node is the container that displays list values.
    */
-  private Label fieldLabel;
+  protected Label fieldLabel;
 
   /**
    * The flag used for setting the selection properly.
    */
-  private boolean preventUpdate;
+  protected boolean preventUpdate;
 
   /**
    * Constructs a SimpleListViewControl of {@link SimpleListViewControl} type, with visibility condition.
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleNumberControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleNumberControl.java
index afa746d9..8d37c08e 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleNumberControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleNumberControl.java
@@ -44,9 +44,9 @@ public abstract class SimpleNumberControl<F extends DataField, D extends Number>
    * - The editableSpinner is a Spinner for setting numerical values.
    * - The readOnlyLabel is the label to put over editableSpinner.
    */
-  private Label fieldLabel;
+  protected Label fieldLabel;
   protected Spinner<D> editableSpinner;
-  private Label readOnlyLabel;
+  protected Label readOnlyLabel;
 
   /**
    * {@inheritDoc}
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleRadioButtonControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleRadioButtonControl.java
index 72d6da7b..993883b2 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleRadioButtonControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleRadioButtonControl.java
@@ -46,10 +46,10 @@ public class SimpleRadioButtonControl<V> extends SimpleControl<SingleSelectionFi
    * - The toggleGroup defines the group for the radio buttons.
    * - The node is a VBox holding all radio buttons.
    */
-  private final List<RadioButton> radioButtons = new ArrayList<>();
-  private ToggleGroup toggleGroup;
+  protected final List<RadioButton> radioButtons = new ArrayList<>();
+  protected ToggleGroup toggleGroup;
 
-  private Label fieldLabel;
+  protected Label fieldLabel;
 
   /**
    * Constructs a SimpleRadioButtonControl of {@link SimpleRadioButtonControl} type, with visibility condition.
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleTextControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleTextControl.java
index 16cf3538..6d329977 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleTextControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleTextControl.java
@@ -46,10 +46,10 @@ public class SimpleTextControl extends SimpleControl<StringField, StackPane> {
    * - The editableField allows users to modify the field's value.
    * - The readOnlyLabel displays the field's value if it is not editable.
    */
-  private TextField editableField;
-  private TextArea editableArea;
-  private Label readOnlyLabel;
-  private Label fieldLabel;
+  protected TextField editableField;
+  protected TextArea editableArea;
+  protected Label readOnlyLabel;
+  protected Label fieldLabel;
 
   /**
    * Constructs a SimpleTextControl of {@link SimpleTextControl} type, with visibility condition.
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxFormRenderer.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxFormRenderer.java
index c0d31091..ebc8cf70 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxFormRenderer.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxFormRenderer.java
@@ -23,8 +23,8 @@ public class PreferencesFxFormRenderer extends GridPane implements ViewMixin {
    */
   public static final double SPACING = 5;
 
-  private final Form form;
-  private List<PreferencesFxGroupRenderer> groups = new ArrayList<>();
+  protected final Form form;
+  protected List<PreferencesFxGroupRenderer> groups = new ArrayList<>();
 
   /**
    * This is the constructor to pass over data.
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxGroup.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxGroup.java
index ccab980c..060beb55 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxGroup.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxGroup.java
@@ -55,7 +55,7 @@ public class PreferencesFxGroup extends Group {
   /**
    * {@inheritDoc}
    */
-  private PreferencesFxGroup(Element... elements) {
+  protected PreferencesFxGroup(Element... elements) {
     super(elements);
 
     // Whenever the title's key changes, update the displayed value based
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxGroupRenderer.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxGroupRenderer.java
index de5f74c8..fa68b7fe 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxGroupRenderer.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/renderer/PreferencesFxGroupRenderer.java
@@ -41,7 +41,7 @@ public class PreferencesFxGroupRenderer {
    *
    * @param preferencesGroup The PreferencesGroup which gets rendered.
    */
-  PreferencesFxGroupRenderer(PreferencesFxGroup preferencesGroup, GridPane grid) {
+  protected PreferencesFxGroupRenderer(PreferencesFxGroup preferencesGroup, GridPane grid) {
     this.preferencesGroup = preferencesGroup;
     this.grid = grid;
     preferencesGroup.setRenderer(this);