A total of 9 products in this bundle! These projects has taken my STEM class 9 weeks to complete (time will vary depending on class schedule). Bundle includes Aluminum Boats, Paper Chains, Pipe Cleaner Towers, Paper Roller Coaster, Locker Organizer, Paper Airplane Challenge, Toothpick Bridge, Spaghetti Towers, and Physics Newtons Balloon Car projects. A bonus group evaluation form is included! All projects have a corresponding rubric!