Many of the sample project robots come with additional components that can be added. To see a listing of available attachments for the sample project robot, select the robot by either clicking on it in the Objects window, or by clicking the Move  button located on the toolbar, then clicking on the robot in the Main Camera.

With the robot selected, click on the Attachments  button located on the Toolbar.

                                                                                                                      Adding attachments

After clicking on the Attachments button, a new window will appear. To add a new attachment, select it from the list of "Available Attachments", choose a position on the robot, and then click "Add".

                                                                                            Adding an attachment

Similarly, you can remove an existing attachment by selecting it from the "Current Attachments" list, and clicking on the "Remove" button.

                                                                                                                                 Removing an attachment

When finished, click the "Ok" button to save your changes.