If you have the Deluxe OR Retail version of Power Plants (not the Kickstarter version), and you want to add some variety to your game, look no further!. 
 
Included with the 3 mini expansions is:
2 cardboard Pond tile
1 Pond rulesheet
5 cardboard Spades
1 Spades rulesheet
5 player colour wooden shaped Wizards
10 Steward cards
1 Stewards rulesheet
 
**You do not need this if you have the Kickstarter version of this game