The K'NEX Imagine Builder Basics 50 Model Building Set promotes the development of STEAM (science technology engineering arts and math) concepts by igniting your students natural curiosity and creativity. Building with K'NEX puts students on the path to a fundamental understanding of STEAM subjects. Let them design construct and customize their own K'NEX models enabling hours of learning with them.This building set contains 417 rods and connectors that click together in a multitude of 3D configurations. Let your students construct basic 3D figures by themselves and guide them to create more complex structures that will expand his imagination. Your students can build up to 50 different structures with the colourful pieces and learn about basic building concepts with this K'NEX construction educational set.This building set comes with a sturdy plastic tub for hassle-free cleanup. It lets you store your students models and the loose pieces ready for the next lesson. Each set also comes with an easy-to-follow instruction sheet to guide your students in building 50 models of varying difficulty and size.