If you have the wooden Deluxe Power Plants (not the Kickstarter version), and you want to add a little more variety to your game play, choose these two mini expansions. 
 
Included in this mini-expanion:
8 Wooden Crow's Nest Tiles
2 Plant Cards to go with the Crow's Nest tiles
8 Wooden Phantom's Hood Tiles
2 Plant Cards to go with the Phantom's Hood tiles
 
**You do not need these if you have the Kickstarter version of this game