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Knex Gray Gear 1-1/4" Small Hole Metallic Silver Micro K'nex Rare Specialty Part
$9.95

10 Knex Silver 1.5" Small Racing Wheels Hubs - Standard K'nex Parts
$8.95

Knex K-Force Blaster Gun Grip Handle Light Blue - K'nex Replacement Part
$9.95

4 Knex Tires Tiny 1" Black Mario Cart Lt. Gray Wheels - K'nex Replacement Parts
$10.95

Knex K-Force Blaster Gun Grip Handle Orange - K'nex Replacement Part
$9.95

2 Knex Balls Brown Big Ball Factory K'NEX Replacement Parts 46mm
$16.95

10 Knex Small 5/8" Silver Reversible Hubs - Mario Cart Micro & Standard K'nex
$9.95

Knex Orange Roller Coaster Car Front Nose - K'nex Screamin Serpent Part
$12.95

Knex NEW Orange Tube Holder for Corkscrew Canyon K'nex Water Park 63175
$10.95

10 Knex Hubs Pulleys Wheels Gray/Silver 1.5" Small - K'nex Replacement Parts
$10.95

3 Micro Knex Track Green 180 Degree Curved Pieces - K'nex Coaster Parts
$11.95

50 NEW Knex Blue Connectors 7 Position 3D - Standard K'nex Parts
$12.95

2 Micro Knex Track Dark Blue 180 Degree Curved Pieces - K'nex Coaster Parts
$9.95

Knex K-Force Trigger Sleeve Orange Toy Blaster K'nex Replacement Part
$1.00

Knex Cyber-X C10 Flash Fire Motorized Blaster K'nex Replacement Parts Kit
$18.95

4 Knex Tires Plastic 2.25" Red/Black Solid (one-piece) - K'nex Parts
$10.95

Cyber Knex Ultra Port - K'nex 63107 Replacement Part
$14.95

24 NEW Knex 2-Inch Gray Pulleys 2" - K'nex Stem Engineering Physics Parts
$17.95

1 Knex Steel Rod for 6ft Ferris Wheel 89790 - K'nex Metal Axle
$34.95

100 NEW Knex Blue Spacers Washers Bushings - Standard K'nex Parts
$7.49

100 Knex Purple Connectors 4 Position 3D - Standard K'nex Parts
$11.715% off

100 NEW Knex Orange Ladder 2-Way Straight Connectors - Standard K'nex Parts
$11.49

Knex Green Battery Powered Medium Speed Motor 45rpm K'nex Coaster Part Tested
$18.005% off

50 NEW Knex Dark Gray Rods Long 7-1/2" - Standard K'nex Replacement Parts
$14.95

100 NEW Knex Red Rods 5-1/8" - Standard K'nex Parts
$14.95

2 Knex Spring-Loaded Shock Absorbers - K'nex Rare Replacement Parts
$12.825% off

100 Knex Yellow Connectors 5 Position - Standard K'nex Parts
$10.33

15 Knex Gears Red & Yellow Crown Med & Small K'nex Education Part Assortment
$12.665% off

Vtg LEGO Technic Figure Skier Winter Sports Minifigure Rare 1990s Collectable
$18.955% off

400 NEW Knex Blue Rods 2-1/4" - Standard K'nex 2.25" Parts
$22.95

Knex Instruction Manual K'nex Building Guides - Select Your Own - You Pick
$5.95 to $14.95

6 Knex Purple Track Splice Tube Connector Pieces - K'nex Screamin Serpent Parts
$7.95

200 NEW Knex Gray Connectors 4 Position 3D - K'nex
$16.95

50 Knex Tan Interlocking End Clips - K'nex Standard K'nex Parts
$11.875% off

Knex Rippin Rocket Roller Purple Coaster Car - K'nex Replacement Part
$15.675% off

400 Micro Mini Knex Bulk Mixed Assortment Rods Connectors Clips K'nex Parts
$19.905% off

50 Knex Light Gray Rods 7-1/2" Long 7.5" - K'nex Standard Parts
$12.305% off

50 Knex Dark Blue Connectors 7 Position 3D - Standard K'nex Replacement Parts
$11.875% off

100 NEW Knex Silver Spacers Washers Bushings - Standard K'nex Parts
$10.95

Mega Bloks Halo Covenant Wraith Set - 97014 - Brand New Sealed
$239.95

400 Knex White Rods 1-5/16" Short - Standard K'nex Parts
$15.675% off

8oz of Modern Meccano Erector Set Bulk Hardware - Screws, Nuts, Washers
$22.755% off

200 Knex Gray Clip Connectors with Hole End Grey - Standard K'nex Parts
$16.105% off

Bandai Soul of Chogokin GX-75SP Mazinkaiser 20th Anniversary Ver Figure - New
$229.95

200 NEW Knex Yellow Rods 3-7/16" - Standard K'nex Replacement Parts
$19.95

200 Knex Fluorescent Yellow Coaster Track Connectors - Standard K'nex
$30.355% off

50 Knex Metallic Blue Connectors 7 Position 3D - Standard K'nex Parts
$11.715% off

50 NEW Knex White Connectors 8 Position - Standard K'nex Parts
$19.95
About us
MNWebSource is located in heart of Minnesota and is your one-stop destination for Knex building parts. We source new and used quality parts and are proud to support the community of worldwide builders from beginner to masters! Our items are clean, re-packaged professionally, and arrive to you with care. Items are shipped within - 1 business day and we will use the method that gets it to you the quickest. We are also seller of vintage building toys like Lincoln Logs, Erector Sets, Construx, Models and other one off items. 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!
We are an unofficial reseller of used and new K'NEX parts. We are not affiliated, associated, authorized, endorsed by, or in any way officially connected with K'NEX, or any of its subsidiaries or its affiliates. K'NEX as well as related names, marks, emblems and images are registered trademarks of K'NEX.
We are an unofficial reseller of used and new K'NEX parts. We are not affiliated, associated, authorized, endorsed by, or in any way officially connected with K'NEX, or any of its subsidiaries or its affiliates. K'NEX as well as related names, marks, emblems and images are registered trademarks of K'NEX.
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Seller feedback (3,612)
- _***1 (26)- Feedback left by buyer.Past 6 monthsVerified purchaseI really don't know what else to say. The package arrived on time, the pieces were in fact new and packaged very nicely. Double counted and there were in fact exactly 200 pieces, none were missing. Absolutely will be buying more pieces from this seller. Also, the price was very much a good value and i cannot stress enough how convnenient of a purchase this was.Reply from: mnwebsource- Feedback replied by seller mnwebsource.- Feedback replied by seller mnwebsource.Thank you so much for the kind words! We aim high, and so glad that you support us!
- i***w (82)- Feedback left by buyer.Past 6 monthsVerified purchaseExcellent ebayer, asked a question about the product and got an immediate answer, product was as described and delivered a day early. I highly recommend.
- e***m (220)- Feedback left by buyer.Past 6 monthsVerified purchaseGood Item, packaging, as described, shipped well, good value
- a***2 (19)- Feedback left by buyer.Past 6 monthsVerified purchase5 Star seller. Items were fantastically packed and as advertised. Shipping was excellent. Thank you!
- n***z (70)- Feedback left by buyer.Past 6 monthsVerified purchaseGreat seller, fast shipping, came as described, item was packed nicely. Thank you!
- r***o (1202)- Feedback left by buyer.Past 6 monthsVerified purchaseEverything as described. Extremely impressed with how well this item was packaged. Great communication & fast shipping. Thank you!!! 🦘