K'NEX Parts & Accessories

Premium replacement parts and upgrade kits for your favorite K'NEX builds. Built by fans, for fans.

K'NEX Parts & Accessories

Premium replacement parts and upgrade kits for your favorite K'NEX builds. Built by fans, for fans.

K'NEX Parts & Accessories

Premium replacement parts and upgrade kits for your favorite K'NEX builds. Built by fans, for fans.

1139 results
1139 results
Classic Connectors

Black 4-way Connector

$0.27 /ea In Stock

Black 4-way Connector

In Stock $0.27
Classic Connectors

Gray 4-way Connector

$0.33 /ea In Stock

Gray 4-way Connector

In Stock $0.33
Classic Connectors

Red 3-way Connector

$0.17 /ea In Stock

Red 3-way Connector

In Stock $0.17
Join Waitlist We generally have more stock on hand than our website shows. So stock could be updated quickly! We try to restock at least once a week if possible depending on part supplies.