Indoor Prototyping Materials (per team)
- 9–12 unsharpened pencils or wooden rods/dowels (same size works best)
- Optional stabilization elements for extensions only (rubber bands, clips) used after the “pure structure” attempt
- Printed bridge images/sketches (da Vinci draft + real bridge photos)
- Rulers / measuring tape
- Planning sheets (bridge sketch + materials list + predicted load)
- Observation sheet (attempt 1 / attempt 2 comparison)
Testing Materials (indoor)
- Standardized test weights: small books, water bottles, identical blocks/containers
- Timer (optional), simple scorecard for load/time
Outdoor Build Materials (class set)
- Wooden slats/long sticks (pre-checked, no splinters)
- Work gloves (recommended)
- Cones/rope to mark a safe boundary
- First-aid kit on site
- Clipboards/camera for documentation
Teacher / Classroom Setup
- Projector/slides for da Vinci intro (optional)
- Stations/trays for materials
Labels for team roles (Engineer, Builder, Tester, Recorder, Safety Lead).