diff --git a/src/main/java/es/kauron/jstudy/controller/Controller.java b/src/main/java/es/kauron/jstudy/controller/Controller.java
index aec4ea0..dcc43bb 100644
--- a/src/main/java/es/kauron/jstudy/controller/Controller.java
+++ b/src/main/java/es/kauron/jstudy/controller/Controller.java
@@ -169,8 +169,30 @@ public class Controller implements Initializable {
                 tabPane.getSelectionModel().selectNext();
             });
 
+            MenuItem merge = new MenuItem("Merge with other table");
+            merge.setOnAction(event -> {
+                Map<String, TableController> choices = new HashMap<>(tabMap.values().size() - 1);
+                for (TableController tc : tabMap.values())
+                    if (tc != loader.getController())
+                        choices.put(tc.getName(), tc);
+
+                ChoiceDialog<String> dialog = new ChoiceDialog<>();
+                dialog.setTitle("Merging tables...");
+                dialog.setHeaderText("Please select another table to merge with this one");
+                dialog.getItems().addAll(choices.keySet());
+                Optional<String> result = dialog.showAndWait();
+
+                if (result.isPresent() && choices.get(result.get()) != null) {
+                    List<TestItem> newList = new ArrayList<>(list);
+                    newList.addAll(choices.get(result.get()).getData());
+                    Tab newTab = createTableTab("Merge", newList, null);
+                    tabPane.getTabs().add(tabPane.getTabs().indexOf(tab) + 1, newTab);
+                    tabPane.getSelectionModel().selectNext();
+                }
+            });
+
             tab.setContent(tableRoot);
-            tab.setContextMenu(new ContextMenu(duplicate));
+            tab.setContextMenu(new ContextMenu(duplicate, merge));
             tab.setOnCloseRequest(event -> {
                 if (!((TableController) loader.getController()).saved.get()) {
                     Alert dialog = new Alert(Alert.AlertType.WARNING);