How to get these blocks without going into this project? well it's so simple, first of all, go to costumes page of 'INSTRUCTIONS' You will find instructions. |INSTRUCTIONS| Go to Scratch Addons. Click on Scratch Addons Link. Then click on 'Install for Chrome'. Then click on 'Add to Chrome'. Now go to your scratch project where you want to add these blocks. You can see a puzzel shaped button, click on it. click on 'Scratch Addons'. Go to Addons. Then search for 'Extra key options'. Then allow for 'Extra key options'. If Extra key is not showing up then try refreshing Scratch Project And There you go you get all the blocks I've been showing you.
Thanks to Scratch Addons to get these blocks for me and us.