Message Box Toy is a Computer Phrank Tool which is completely a freeware, can be found in this link . A simple and easy tool to create a phrank tool to send to your friend. It provides a Good User Interface for creating the Message Box.
Above is the window to create a message box. Once you filled the text boxes click on make to generate the file. Thats it ! your file is ready for sending .
Step by step instruction is available in the official website.