Rube Goldberg Machine Project (High School) — a complete, print-and-go engineering design challenge that gets students planning, building, testing, troubleshooting, and presenting. Students work in teams to build a chain-reaction machine where one start action triggers 8+ steps to complete a final task. I built this to run smoothly in real classrooms: clear expectations, strong accountability, and grading tools that don’t take forever. What’s included (ZIP bundle) Teacher Packet (setup, pacing