K: 3 laps around simple course, walking pace, teacher leads, focus on following directions
1st: 5 laps, marching pace, simple rhythm, basic teamwork concepts
2nd: 7 laps, team coordination, marching songs, strategic formation walking
3rd: 9 laps with obstacles, leadership rotation, complex formations, problem-solving challenges
4th: 12+ laps with advanced obstacles, student-led teams, tactical planning, endurance and strategy integration