Age 8+. Builds 13 models, supports 2-3 studentsAllows students to explore the characteristics and purposes of seven different bridge types, using real life examples to demonstrate the key features of each type of bridge. Explore how different types of bridges hold their load and allows the evaluation of the strength and stability of each bridge type through experimentation.207 K'Nex parts to build 13 fully functioning replicas of 7 key bridge types.Models include suspension bridge, arch bridge, through bridge, Baltimore truss and more.Detailed teachers guide with key concepts, terms definitions, learning objectives and lesson plans included.