As a warm up, we're going to make the default Scratch cat move across the stage.
Click on the Create button to open a new project in the editor. The project contains a single sprite—the Scratch cat.
In the blocks palette, click on the Events button.
Drag the when flag clicked block to the scripts.
In the blocks palette, click on the Motion button.
Drag the move (10) steps block to the scripts area and snap it to the bottom of the when flag clicked block, as shown in the following screenshot:
Click on the green flag above the stage repeatedly to set our first Scratch program in motion.