K: Seated only, teacher controls most, short 5-8 min bursts, focus on listening & sharing edges
1st: Standing with support spots, simple color calls, 8-10 min
2nd: Add ball or beanbag challenges, 10-12 min, peer helpers
3rd: Complex patterns + leadership, 12-15 min
4th: Student-designed variations, full games with scoring, 15-18 min, debrief leaders