K'nex STEM Design Challenge Set: Conception STEM In Stock Now

Think outside the blocks! K’NEX is a rod and connector building system that lets you build BIG and make it MOVE. A favorite of serious builders since 1992, K’NEX rods and connectors are proudly made in the USA.

Building with K'NEX supports developmental growth and puts builders on a path towards a better understanding of STEM subjects. As they fit the pieces together, they're developing spatial awareness and honing their fine motor and dexterity skills.