Ages 6-12. By Lawrence E. Shapiro, Ph.D. Hidden Rules (or Hidden Curriculum) is a term used to describe the unwritten social rules and behaviors that most of us seem to know without ever being taught, such as respecting those in a position of authority, acknowledging others' personal space, speaking at an appropriate volume, paying attention to body language, and more. This fun card game will help children learn and practice 40 hidden social situation rules for everyday life. The object of play is to be the first player to get rid of all their cards. 2-8 players. Contents: 10 blue Hidden Rules Cards 10 red Hidden Rules Cards 10 green Hidden Rules Cards 10 yellow Hidden Rules Cards 10 blue number cards 10 red number cards 10 green number cards 10 yellow number cards 5 Wild cards 5 Skip-a-Turn Wild Cards 8 blank cards (2 of each color) Instructions This game is also part of the Hidden Rules Card Game Set.