MNWebSource
Family‑owned MNWebSource supplies authentic OEM K’NEX parts for builders, educators, and collectors. Trusted by STEM programs and repeat buyers worldwide.
Every piece is hand‑sorted, quality‑checked, and shipped fast from Minnesota. MNWebSource is located in heart of Minnesota where we source quality hard goods from the 70s, 80s, 90s & today! We specialize in Knex, Vintage Toys & Games, Electronics & Collectibles. We love finding great items and helping families enjoy these products for generations to come! Our items are clean, packaged professional
06/08/2026
https://www.ebay.com/itm/206332199680
Been sourcing K"NEX since 2018, and this is a 1st for us!!!!
K’NEX Large Green Dual‑Tooth Chainring Gear – USED OEM – Ultra Rare | eBay Find many great new & used options and get the best deals for K’NEX Large Green Dual‑Tooth Chainring Gear – USED OEM – Ultra Rare at the best online prices at eBay! Free shipping for many products!
06/01/2026
https://www.ebay.com/itm/206312880102?itmmeta=01KT0B76WJDZQ8K3C12SFD23A5&hash=item300934b7e6:g:xlAAAeSwZYRqHM6v
Rare to find new anymore! All perfectly the same color!
(50) K’NEX Light Gray 7‑1/2" (7.50") Long Rods – NEW OEM NOS – Standard | eBay All rods fit theStandard K’NEX building system (classic rods and connectors). You will receive(50) Light Gray 7‑1/2" (7.50") Long Rods as shown in the title. Perfect forlarge structures, long spans, towers, bridges, and engineering builds.
05/27/2026
https://www.ebay.com/itm/205490969665
SAVE BIG on Red 3-Way Connectors!!!! LIMITED TIME ONLY!!!!!! Stock up and SAVE!!!
(1000) K’NEX Red 3‑Way Connectors – USED OEM – Standard | eBay These areRed 3‑Way Connectors — essential for branching structures and multi‑direction builds. Compatible with allStandard K’NEX building systems. Hand‑sorted USED OEM condition —cleaned, inspected, and ready for use.
05/27/2026
https://www.ebay.com/itm/204754809489
Our USED OEM Dark Blue rods are Hand Sorted, Hand picked, and inspected for the highest quality used parts on the market. We take the extra time so that each of our customers are getting quality OEM products. Yes, we even will wash parts if they do not meet our quality control standards, we take pride in serving those who support us and are always here to serve you!
(400) K’NEX Dark Blue 2‑1/4" (2.25") Rods – USED OEM – Standard | eBay All rods fitStandard K’NEX building systems. Hand‑sorted USED OEM condition —cleaned, inspected, and ready for use.
05/21/2026
https://www.ebay.com/itm/206076959372
(50) K’NEX Black 8‑Way Connectors – USED OEM – Standard | eBay You will receive50 authentic OEM K’NEX Black 8‑Way Connectors. Standard‑scale connectors compatible with all classic K’NEX rods. Normal light wear from prior use may be present.
05/14/2026
https://www.ebay.com/itm/206273049505
(3) K’NEX Robot Men – Bright Orange – USED OEM – Standard | eBay Find many great new & used options and get the best deals for (3) K’NEX Robot Men – Bright Orange – USED OEM – Standard at the best online prices at eBay! Free shipping for many products!
05/14/2026
https://www.ebay.com/itm/206273033050
(5) K’NEX Robot Men – Silver Black Speckled Blue Yellow Construction Orange OEM | eBay Find many great new & used options and get the best deals for (5) K’NEX Robot Men – Silver Black Speckled Blue Yellow Construction Orange OEM at the best online prices at eBay! Free shipping for many products!
05/14/2026
https://www.ebay.com/itm/206273019054
(5) K’NEX Robot Men – Construction Orange – USED OEM | eBay Find many great new & used options and get the best deals for (5) K’NEX Robot Men – Construction Orange – USED OEM at the best online prices at eBay! Free shipping for many products!
05/14/2026
K’NEX Green Motor – 45RPM Battery Powered Medium Speed – NEW OEM NOS | eBay You will receive:1 K’NEX Green 45RPM Battery Motor. Fully tested to ensure smooth operation and correct RPM output. Fully tested for proper RPM and torque. MNWebSource maintains the largest OEM K’NEX motor catalog online.
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Contact the business
Address
PO Box 190
Rockford, MN
55373
05/14/2026