Trap is a game from the Marbles range specializing in games that train the brain while having fun! This alignment game is based on the principle of noughts and crosses, but with 3 ways to win, which makes it much more strategic. The rules of the game are simple and fun. There are 3 ways to win: line up 3 pieces of the same colour and size, line up 3 pieces of the same colour and increasing size, or line up 3 pieces of the same colour and concentric sizes.