From the Ancient Pyramids to the Eiffel Tower, get ready to take a close-up look at man-made structures. Super Structures is a unique interactive book that not only traces the history but also explores the science behind these incredible engineering feats. In addition, the book is accompanied by a model kit to make the different types of constructions and then conduct tests to see how they work! Kit includes: 48-page paperback book, pegboard and sturdy, card pieces, plus plastic nuts, bolts and string to make 10 structures.