Build 13 different bridge models, one at a time. Set includes building instructions with real-life photos and key facts. Models demonstrate 7 key bridge types: beam, truss, arch, cantilever, suspension, cable-stayed and movable/bascule. 207 K'NEX Rods and Connectors support 2-3 students work as a team. Grades 3 - 6. by K'NEX LIMITED PARTNERSHIP
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Big, soft, chunky pieces can be used by childre