Ok I noticed a lot of people are annoyed because online or in presentation mode the sprits are hard to drag a simple fix is that there is a padlock next to the way you name the sprite so click on it and it should unlock and they will be dragible!
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Note that you can pick up sprites padlocked or not when you are viewing your project in the Scratch program and not in Presentation Mode. If you want to test the project, go to Presentation Mode and try there.
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I figured this out a few months ago.... way more useful than doing the entire script.
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