Game played 7v7 plus a goalie.
Each player gets exposed to fundamentals of soccer for every position on the field.
Teamwork, rules, and sportsmanship are emphasized. 
All athletes play - no one sits.

Game Standards:

• Game duration - 2 x 30 minute halves
• Ball size - 4
• Goalie - yes
• Format - 7v7 plus a goalie
• Throw ins
• Normal roster size - 14
• Scores/stats - yes
• Fouls - all indirect
• Offsides - none
• Field size - 75 x 55 yds

For the full set of rules: U12 In House Rules