Provides practice for addition facts from 0 + 0 to 12 + 12. As the caller reads each answer aloud, players scan the cards in front of them. If a player has a matching problem, he or she says? splat!? and flips the card over. The first player to flip over all of his or her cards wins! three color-coded decks make it easy to adapt the game for one-on-one practice or multiple players.