Using the Drag-drop and Contentbox editors you can easily copy/paste Snippet Blocks from one page to another.
To copy a Snippet Block - click into the snippet to highlight it without selecting any text. Selecting the text will copy the text rather than the Snippet Block.
If you want to copy more than one Snippet from the page, hold down the CTRL key to select additional snippets. Each snippet selected will be highlighted with an orange border. The active snippet will show the row-tools top-left as per normal.
You can then copy the Snippet (or multiple Snippets) you have selected by pressing and holding the CTRL key, then pressing C.
Clcik into the Snippet to select it, then paste in the copied Snippets.
Pressing and holding the CTRL key, then pressing V will paste the Snippet Blocks below the current active snippet