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From ancient stone arches to modern steel skyways, every great structure stands on the same principles of force and balance. The Buildings & Bridges set lets kids explore those principles firsthand in 9 guided models. Start with a beam bridge, then add trusses to compare rigidity and see how triangulation reduces bending. Move on to an arch bridge to watch weight flow into the abutments and explore ways to strengthen the span. Build cable-stayed and suspension bridges and learn how tension in cables supports the deck—and why anchors or cross-bracing stop towers from pulling inward. Wrap up by transforming designs (e.g., single beam → double-deck → cable-stayed) to test how small changes reshape performance. The booklet’s 10 pages of theory, 4 experiments, and 2 quizzes tie every build to core physics concepts.
