1, we open ppt slide "Insert"-"illustration"-"shape" in this you will see the "Stars and Flags"/"Cross star" graphics, painting size at random.
2, then we double click on "Cross" and then click "Format"-"Shape Style"-"Shape fill"-"yellow"-"Shape Outline"-"No Outline" format, conveniently adjust the size of the stars
3, switch to the "Animation" menu tab, click the "Custom Animation" button, in the right-hand side of the "Custom Animation" pane, "Add animation" → "emphasis" → "flashing." And in the Timing Settings window, set to start with "before", the delay is "2" seconds, the speed is "1" seconds, repeated as "until the end of the slide."
4, a star set up, we click on the Star, copy and paste the same star, and in the Custom Animation task pane, change the start option to after.
Well, the above is a small series for you to organize the use of PPT to quickly create twinkling stars of all the operation process, I hope this article can help you.