The "Wait" Block
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 PrerequisiteDescriptionThe “Wait” block is a Stack Block in the Control category. 
 Seconds, Milliseconds and FramesThe wait block is used to make a Sprite wait for some time before running the next block. Note that 1 second = 60 frames = 1000 milliseconds  
 Blocks After the Wait BlockThe program will pause during the wait, so the blocks after the wait block will not run until the wait is over.  
 Demo: Animation Using the Wait BlockIn this example, we show a few costumes one by one. To make sure the user can view each costume clearly, we can add some “wait 1 second” blocks before we switch to the next costume. 