Years 8–13 · Ages 12–18

Free bridge and structures games

Design bridges that carry real loads, then watch where they bend, buckle or snap. These games cover forces, triangles and trusses, tension and compression, buckling, bending and choosing materials.

Every game is free, needs no sign-up and runs in any browser. Using it in class?

Structures game

  • Bridge Builder

    Build a bridge, then drive a truck across it.

    Free bridge building game for ages 12–18. Build a truss bridge from wood, steel and cables, then drive a truck across. Tension, compression and buckling.

    • Years 8–13
    • Ages 12–18
    • 8 levels
    • Free, no sign-up

What students learn

  • Triangles make structures rigid
  • Trusses
  • Tension and compression
  • Strong materials where forces are biggest
  • Longer beams buckle more easily
  • Deeper trusses carry bigger loads
  • Cable-stayed bridges
  • Supports in the middle of a span

Curriculum links

  • KS3 Scienceforces, balanced forces, tension and compression
  • GCSE Physicsforces and elasticity
  • GCSE Design and Technologystructures, triangulation and choosing materials
  • A-level Physics and Engineeringstiffness, stress, buckling and structural analysis

Free teacher pack

Lesson plans, printable worksheets with answers, and curriculum links.

  • First page of the Bridge Builder student worksheetsFirst page of the Bridge Builder teacher pack

    Bridge Builder teacher pack

    • Two 60-minute lesson plans (Years 8–9 and 10–13)
    • Two worksheets, with answers and a mark scheme
    • A level-by-level guide with the 3-star designs
    • Curriculum links (KS3, GCSE, A-level, NGSS)
    • A paper-bridge practical to follow up the game

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