Every K’NEX / Knex item is hand‑sorted, inspected, and pre‑packaged for quality assurance.
All parts are authentic OEM K’NEX — never off‑brand, never 3D‑printed.
Professionally packaged for builders, educators, and collectors.
Ideal for belt‑drive restorations, motorized builds, mechanical projects, and STEM applications.
MNWebSource maintains one of the most complete OEM vintage K’NEX catalogs available — rods, connectors, micro parts, motors, tubing, gears, tires, clips, chains, panels, coaster cars, balls, robots, and more.
Trusted by STEM educators, roller coaster enthusiasts, and master builders worldwide.
Description
You will receive 2 authentic USED OEM K’NEX Tan Long Belt Drive Bands.
Each band measures approximately 7‑1/4" in relaxed length.
Clean, flexible, and tested for proper tension and movement.
Perfect for restoring belt‑driven K’NEX models, including classic motorized sets.
Compatible with standard‑scale K’NEX pulleys, gears, and drive assemblies.
Shipping
Ships same‑day or within 18 hours from our Midwest hub.
Securely packaged to protect rubber components during transit.
Fast coast‑to‑coast and tracked international delivery.
Returns
60‑day returns accepted.
Items must be returned complete and in original condition.
Feedback
We strive for 5‑star feedback and respond to messages quickly.
Positive feedback left for every buyer.
About Us
Born and raised Minnesotans, we operate MNWebSource as a family‑owned business committed to consistent OEM quality and long‑term support for the builder community.
We maintain one of the most complete OEM vintage K’NEX catalogs available — rods, connectors, micro parts, motors, tubing, gears, tires, clips, chains, panels, coaster cars, balls, robots, and more.
Every piece is hand‑sorted, cleaned, brittle‑checked, and professionally packaged.
Supporting educators, STEM programs, robotics clubs, makerspaces, homeschool builders, science museums, and master builders with reliable OEM parts.
More than half of our buyers are repeat customers — a community of builders, educators, and collectors who return because they trust our consistent OEM quality.
We ship worldwide and proudly support the global builder community.
Repeat buyers include roller coaster builders and ball machine creators.
We are not affiliated with K’NEX; all names and marks are registered trademarks of K’NEX.