MNWebSource

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

ly, and arrive to you with care as if it were a new product. Items are shipped within - 1 business day and we will use the method that gets it to you the quickest. New items are added daily so be sure to follow us for updates and always feel free to contact us as we will work with you on getting you what you need. Thank You for visiting and Take Care!

https://www.ebay.com/itm/204142187665
08/18/2026

https://www.ebay.com/itm/204142187665

Trusted bySTEM educators, roller coaster enthusiasts, and master builders worldwide. Perfect forcars, racers, STEM builds, kinetic demonstrations, and custom vehicle projects. Each motor istested to ensure strong pull‑back tension and smooth gear operation.

https://www.ebay.com/itm/206499529597
08/18/2026

https://www.ebay.com/itm/206499529597

Find many great new & used options and get the best deals for (4) K’NEX 50 mm Balls – Yellow, Clear, Dark Blue, Green – USED OEM Big Air Ball at the best online prices at eBay! Free shipping for many products!

08/07/2026

We're Back from Vacation!
Shop is Open!
Orders placed while we were out going out early tomorrow!

Send a message to learn more

https://www.ebay.com/itm/203676558266
07/31/2026

https://www.ebay.com/itm/203676558266

Trusted bySTEM educators, roller coaster enthusiasts, and master builders worldwide. Part type:Large‑link Coaster Chain for standard‑scale K’NEX roller coasters. Chain length:8 feet with1‑1/4" (1.25") links.

https://www.ebay.com/itm/206443940226
07/27/2026

https://www.ebay.com/itm/206443940226

Find many great new & used options and get the best deals for (100) K'NEX Black Coaster Track Connectors – USED OEM – Standard Rare at the best online prices at eBay! Free shipping for many products!

https://www.ebay.com/itm/206439066039
07/24/2026

https://www.ebay.com/itm/206439066039

Find many great new & used options and get the best deals for (1) K’NEX Flexible Rubber Panel – Light Red / Pink - USED OEM Rare at the best online prices at eBay! Free shipping for many products!

https://www.ebay.com/itm/206439040427Limited Supply!
07/24/2026

https://www.ebay.com/itm/206439040427

Limited Supply!

Find many great new & used options and get the best deals for (50) K’NEX Black Speckled Flexible Flexi Rods 7‑1/2" (7.50") – USED OEM Standard at the best online prices at eBay! Free shipping for many products!

https://www.ebay.com/itm/203291351369?_skw=Metallic+Blue+7%E2%80%91Way+3D+Connectors&itmmeta=01KYB2GJZ62423XAFHABBR7NJY&...
07/24/2026

https://www.ebay.com/itm/203291351369?_skw=Metallic+Blue+7%E2%80%91Way+3D+Connectors&itmmeta=01KYB2GJZ62423XAFHABBR7NJY&hash=item2f551bd949:g:DhEAAOSwK21gEiXp&itmprp=enc%3AAQALAAAA4GfYFPkwiKCW4ZNSs2u11xBviTKCdI3cOcTykfNu9BDIH%2F2TZUKFpY%2Br8Au6hx7dsR3vPosTAx4WfFbW5d2EYjiCT7bHjKhZAKZwAjdrrVFK8y9%2FBqGUPOuRqD50DbfQ%2BKkxIhEcrT0s7xEk0HR2SXurkUScX7LhX2VMvbZPt4mR3KQeA3i0%2FL5KszkdrIm6yaOO3WsxGndL8GqZPRpg%2Bqf9M74r9cZuWXLFYNA4SMhrvE6B%2BiUm8pN5Cn90bGFQAeNX6ksBxtY8uRFZDD7MVQiI0Tvi5W4Pn%2BbMIbkBjRU1%7Ctkp%3ABk9SR-KvwuLyZw

Standard‑scale connectors compatible with all classic K’NEX rods. Normal light wear from prior use may be present.

Address

PO Box 190
Rockford, MN
55373

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