Tic Tac Toe or Noughts and Crosses is one game that has been around for centuries. The reason that it has been so popular for so long is that it is simple to understand but difficult to consistently win - as a result you can become fascinated with it. Children begin to understand simple logic and tactics. This particular high quality wooden version is 21cm x 21cm x 3.5cm with the big chunky pieces sitting in their own recesses to avoid spillage (these qualities also make the game ideal for special needs. Complete with a set of rules.