Hyper Hydrants is a 2-vs-2 mini-game found in Mario Party 3. It's name is a pun on "Hyper hydration".
Gameplay
One player in the team attempts to pump the water while the other player attempts to douse the flames from the big Podoboo to get points. The team who has the most points wins. However, if both teams end up with the same amount of points, it will end in a draw.