Knex is a construction toy based on rods and connectors. Sets vary from the basic static model, to those that incorporate gears, pullys, and wheels for movement, to those that posess intergrated motors, to the introduction of the Cyber Knex concept that enables the builder to download personalities and actions from the internet.

Kid Knex is available for the younger builder (3+), up to the Kn-expert sets that are suited to the experienced builder. Sets come with easy to follow colour coded instructions.