1. Go to Site Editor, hover your favorite block on a page, and click the “Save Block” icon to save this block;
2. You will get the notification when your block is saved:
3. When saving is finished – go to Build Menu, select Blocks Tab and you will see the Saved Blocks category. Hover category to see all saved blocks:
Choose the block you want to use again and simply Drag & Drop it to your website page: