The kids are coming back to sessions eager to beat Cherie (she tells them she is a level 16 player!).  She believes that by talking about levels she taps into their interest in computer games and the fact that Psymon is like Pokemon also makes the game a hit with kids.  This game makes explaining cognitive concepts to kids easier. 

Have a look at Land of Psymon if you need help explaining Cognitive Behavioural concepts to children.