An independent international catalogue and reference resource for K’NEX parts, sets, series and building instructions.
Explore K’NEX parts, sets, building instructions and more
K’NEXCHANGE brings information about K’NEX together in one place. Explore parts and building systems, identify sets and product series, find building instructions, discover rides and attractions, and learn more about how K’NEX works.
Whether you are new to K’NEX, looking for an unfamiliar part or have been building and collecting for years, use the sections below to find your way around K’NEXCHANGE.
Explore K’NEX parts
K’NEX uses three main building systems:
Classic K’NEX — the original standard-size system, with rods, connectors and a wide range of structural, mechanical and specialised parts.
Micro K’NEX — the smaller-scale system, particularly well known for compact models and roller coasters.
Kid K’NEX — the much larger system for younger builders, with chunky building components and many colourful character and animal parts.
Explore Classic Parts, Micro Parts and Kid K’NEX Parts to identify components and learn more about each system.
Special Parts covers components and product-specific pieces that need a different approach.
Sets, series and catalogue
Looking for a particular K’NEX set? Browse Sets or explore the different product lines and themes under Series.
The Catalogue provides a searchable reference for documented K’NEX parts and sets. Part and set numbers are useful starting points, alongside information such as name, system, family, colour and size.
The catalogue is an evolving part of K’NEXCHANGE and will continue to grow as information is checked and added.
Building instructions
Looking for instructions for a K’NEX set?
Building instructions provides access to the growing collection of documented manuals and online instructions. Search by set number or set name when you know which set you are looking for.
Rides and attractions
Roller coasters, Ferris wheels and other rides have played an important role in K’NEX building.
Visit K’NEX Rides & Attractions to explore these models and the specialised components and building techniques associated with them.
Learn about K’NEX
New to K’NEX? Start with What is K’NEX? for an introduction to the building system and its three main systems: Classic, Micro and Kid K’NEX.
How K’NEX Works takes a closer look at connections, connector angles, rod-length relationships, geometry and three-dimensional construction.
For practical building help, Tips & Tricks covers connections, strengthening structures, combining components, moving mechanisms and other useful techniques.
Finding information on K’NEXCHANGE
If you know a part number or set number, that is often the quickest way to search.
If you do not know the number, start with the building system and look at the component’s shape, function, size and colour.
On longer reference pages, use your browser’s Find function to quickly locate a term or part number: Ctrl+F or F3 on Windows, or Command+F on Mac.
About K’NEXCHANGE
K’NEXCHANGE is an independent reference project for K’NEX builders, collectors, educators and anyone interested in identifying, understanding or building with K’NEX.
The website continues to develop as parts, sets, instructions and other information are identified and checked.
Found an error or have additional information? Please use Feedback to help improve K’NEXCHANGE.
K’NEXCHANGE — Independent K’NEX reference project
K'NEXCHANGE 