Yes, you are able to copy Practice Blocks by using the "With Selected" button.
You are able to copy entire Practice Blocks and the plays inside them by using the "With Selected" button.
1. Open up the Practice Script containing the Block(s) you wish to copy.
2. Click on the Practice Block(s) individually so that they turn orange.
3. Click the "With Selected" button and select the Practice Script and Group where you would like to copy or move the Block(s) to. Finish by clicking "Copy/Move Selected Blocks."
One instance you may want to use this feature is during the week if you are planning on running the same period two days in a row at practice. Instead of reimporting your PDF file or grabbing all the cards individually from the Manage Playbook section, you can simply copy the block already made.