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

Gray 8-way Connector

$0.51 /ea In Stock

Gray 8-way Connector

In Stock $0.51
Classic Connectors

Red 7-way 3D Connector

$0.49 /ea In Stock

Red 7-way 3D Connector

In Stock $0.49
Classic Connectors

Yellow 5-way Connector

$0.22 /ea In Stock

Yellow 5-way Connector

In Stock $0.22
Classic Connectors

Gray 5-way Connector

$0.19 /ea In Stock

Gray 5-way Connector

In Stock $0.19
Classic Connectors

Green 4-way Connector

$0.12 /ea In Stock

Green 4-way Connector

In Stock $0.12
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.