Topps and Club Penguin"s fast paced, easy-to-learn trading card game call Card-Jitsu is being updated with the latest series, Card Jitsu Water. Each trading card pack contains a code to unlock exclusive, powerful virtual cards with custom animations playable in the online game. As players win in the online card game, they are able to unlock exclusive items for their penguin avatar, "level up" and eventually even become a water ninja!