buys and sells used K'nex. We have a large selection of pieces for all your building needs.
We now ship globally. More building fun for everyone!



Popular Now

White Rod

Standard White Rod - 1.3125 in.

Chain Link

Micro Chain Link

Red Transition Rod

Micro/Standard Red Transition Rod - 0.84 in.


New Items

Off-White and Beige Connector

Off-White and Beige Connector

150 Random Standard Size Rods & Connectors

150 Random Standard Size Rods & Connectors

Green Flexi Rod

Standard Green Flexi Rod - 7.5 in.

Neon Yellow Flexi Rod

Standard Neon Yellow Flexi Rod - 7.5 in.






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