The Clipboard is a simple way to copy existing Blocks and paste them around a site
Adding a block to your Clipboard
Put your page in Edit mode, click on the block you would like to copy to your clipboard, click Copy to Clipboard.
Placing a Block from the Clipboard
Locate the spot where you want to paste your block. Put the page in edit mode. Click the block area you want, but instead of clicking Add Block, pick Paste from Clipboard.
This brings up a list of all your clipboard items for you to pick from:
Click on the icon in the upper left (above its Content) to add the block from the clipboard.
Click on the trash can icon to delete it from your clipboard.
There is a preview of the block below these icons.