How to play: After setting the game configuration, click 'Start Game' to enter the game. A flower and a target number will appear randomly on the top of the screen, and various flowers will appear at random positions on the bottom. The flowers will automatically disappear after a period of display. You need to click on the same flower before it disappears. You can pass this level if you complete the target number before the countdown ends, otherwise you will fail. Exercise: Helps you exercise your ability to distinguish, react and dynamic vision.