How to make a glitched red block: 1. Type %15 into the Scratch search bar and copy the symbol that shows up 2. Make a new project 3. Make a custom block 4. Name the block (copy and paste the invisible symbol into the block name) 5. Press OK 6. Now you have a glitched block!
https://en.scratch-wiki.info/wiki/Undefined_Hat_Block
