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This deluxe set builds working models of a house, a pyramid and various types of bridges (beam, arch, truss, cable-stayed and suspension) along with huge models of the world famous Eiffel Tower in France (59" tall) and the Sydney Harbor Bridge in Australia (56" in length)! Builders will be immersed in discovering how triangulation provides strength on a building, the main types of forces acting on structures, how trusses work, and the major types of cable bridges. The set includes 1,051 pieces, easy-to-follow building instructions for all models either online or in the booklet included, information about the history and importance of famous structures and detailed explanations of the different scientific principles applied.