Tom works in a port on a crane and is engaged in unloading cargo. Today in the game Stack the Boxes you will need to help him complete a certain amount of work. Before you on the screen will be visible to a special platform. A box will appear above it. She will move right or left at different speeds. You will have to guess the moment when it will be above the platform and click on the screen with the mouse. Thus, you will drop it down and install it on the platform. The next items you will have to install on this box.