K&rsquo;NEX Education &ndash; Intro to Structures: Bridges Set &ndash; 207 Pieces &ndash; For Grades 3-5 Construction Education Toy CLASSIC PIECES  KNEX Educations Intro to Structures Bridges Set consists of 207 classic pieces, including rods, stems, and connectors. Kids can attach these parts to one another in different ways, allowing them to create a variety of fully functioning bridge models. The snap-fit pieces stick together securely and can be easily reassembled into other creations. REAL-WORLD STRUCTURES  Build 13 fully-functioning replicas of real-life bridges. These models help educate builders about bridge infrastructure by demonstrating key bridge types, such as truss, arch, cantilever, beam, suspension, movable/bascule, and cable-stayed. Building instructions and a teachers guide on a CD are included, providing the information needed to build ones understanding of scientific, technical, and design concepts. CONVENIENT STORAGE Keep all KNEX parts in one easy-to-access place. Enjoy hassle-free cleanup and storage, as this building set comes with a convenient portable storage tray with a snap-on lid. VERSATILE  KNEX Educations Intro to Structures Bridges Set is designed to enhance kids imaginations through the creative assembly of KNEX pieces. Aside from the 13 bridges they can build, the set can also be used to create buildings, houses, and towers. This toy is ideal for kids from grades 3 to 5, and 2 to 3 people can work on each set. STEAMagination: Its the connection of STEAM (science, technology, engineering, arts & math) with a childs natural curiosity and creativity and it powers the fun of each and every KNEX building set. Building with KNEX puts children on a path towards a fundamental understanding of STEAM/STEM subjects. LESSON PLANS AND EXPERIMENTS: All KNEX Education sets come with either a comprehensive guide for teachers or an experiment guide for student-led learning. All lesson plans and experiment guides are written by expert educators and feature hands-on, inquiry-based projects that engage students in todays busy classroom. ALIGNED TO NATIONAL STANDARDS: KNEX Education teacher guides and experiment guides are aligned to national educational standards, including ITEEA, NSES, NCTM, NGSS and Common Core. REAL WORLD LEARNING: Study after study reveals that students have more success learning STEM subjects through activities related to the real world rather than reading about abstract concepts in textbooks. KNEX Education sets allow students to build replicas of real-world machines and contraptions and through the lesson plans and experiments, gain a concrete understanding of the principles that make them work.