The battle takes place for two minutes. Heroes throw snowballs at targets, and villains throw snowballs into a big bowl that gives the Destructobot energy. At the end, one team wins. It then takes seventeen minutes for another battle to start.
You can use super gloves to blow things up in this room.
In some pictures there is a door and clock on a shed made out of bricks but in the actual game there's a sign and ladder.
Even though most of Club Penguin's challenges have a prize for finishing them (Ye knights quests, Wilderness Expedition maze and puzzle, etc.) no award is given when finishing this challenge.