First click space bar and when START button shows, click it. Click the green flag To stop,click the stop button
It's a knock knock joke-Animated scene From Looks menu, I used 'say block' for dialogues, 'hide' , ' show' blocks and 'switch costumes' for animation. Events menu,I used blocks to run codes-"green flag". From Control menu, I used 'wait block' to prevent the dialogues between sprites from overlapping or show at the same time.