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Beams, connectors, and a wind-up truck let your child build structures and then test them under real stress. Bridge or Bust provides genuine engineering challenges that take up real space—and demand real thinking.
$149.99

2026 Fifth-Grade Curriculum Kit
Bridge or Bust
Bridge or Bust doesn't ask your child to learn about engineering. It asks him to be an engineer.
Inside the oversized box are beams, connectors, road sections, weights, and a wind-up truck—everything needed to design, build, test, and improve working bridges. The pieces are substantial, the challenges are real, and success depends on whether the bridge actually performs the job.
Each challenge presents a problem to solve. Your child may need to span a wider gap, support additional weight, or leave room for a boat to pass underneath. Some designs work immediately. Others collapse, bend, or fail under pressure. Either way, the results are easy to see.
The components connect securely but can be quickly reconfigured, making it easy to test an idea, identify weaknesses, and try again. As your child builds and rebuilds, he'll naturally explore concepts such as structural support, load distribution, stability, and design efficiency.
The comic-style challenge guide introduces dozens of increasingly complex engineering problems. Early challenges build confidence, while later ones require more planning, stronger construction, and careful attention to constraints.
There's no pretending here. The bridge either supports the truck—or it doesn't.
Your child begins with a pile of parts, a problem to solve, and a few ideas. Through testing, adjusting, and trying again, he develops the kind of practical problem-solving skills that real engineers use every day.
And when the bridge finally holds, he'll know exactly why.




