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These deluxe construction sets let kids build replicas of world-famous structures and get to know the mechanics behind awe-inspiring amusement park rides. The Deluxe Architecture Set (1,051 pieces) builds a house, a pyramid and five types of bridges (beam, arch, truss, cable-stayed and suspension) along with huge models of the Eiffel Tower (59" tall) and the Sydney Harbour Bridge (56" in length). Deluxe Amusement Park Physics Set (1,395 pieces) constructs a Ferris wheel, merry-go-round and more, each able to be powered in turn by the included geared motor. Motor uses two AAA batteries (sold separately). Each set includes easy-to-follow building instructions along with detailed explanations of the scientific principles being applied and additional experiments for hands-on learning.