for adding CoreEx extension: press see inside, add "example block" to the backpak and paste in your project Explaination: Make a variable (CoreEx): the same thing of the "make a variable" button on variable menu example block: this block returns "Stage" block with the image ↻ inline: this does nothing this extension is intended for testing and for normal users is useless
https://en.scratch-wiki.info/wiki/Hidden_Blocks
