Click the green flag to begin. Then, click the green checkbox either under or to the right of the option you chose. After you are done, use your mouse to guide the paddle to stop the ball from touching the bottom of the screen.
I listened to this while I made this project. Maybe you'll like it too, or maybe it just makes the game more calming! https://www.youtube.com/watch?v=JsgPeF9lgcY
