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Featured items
Road Champs BXS Series 1 "Original 3 in 1 Trick Stick Bike" GT Tour Y2K New!
RM 253.20
Matchbox MB-23 Honda ATC 250R Vehicle Three 3 Wheeler ATV Red - New
RM 717.78
Lakeshore Toys Royal Kingdom Adventures Castle - New Sealed
RM 464.37
Meccano Erector Special Edition Space Center Building Set, #83-0521
RM 320.77
1923 Lincoln Logs 3A Single Set Original Orange Box 53 Logs & Roof
RM 401.02
NEW Cyber Knex Ultra 2.0 Robot Starter Kit - Standard K'nex Pieces
RM 253.20
Newly Listed
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1 NEW Knex Pirate Ship Black Sound Module - K'nex Thrill Rides Rare
RM 63.14
4 NEW Knex Pirate Ship Clear Suction Cups - K'nex Thrill Rides Parts 15139/11868
RM 54.69
78 Knex NEW Metallic Blue Connectors 7 Position 3D - Standard K'nex Parts
RM 80.04
2 Knex Balls Red Brown Big Ball Factory K'NEX Replacement Parts 46mm
RM 76.02
2 Knex Balls Red Yellow Big Ball Factory K'NEX Rare Replacement Parts 46mm
RM 88.06
2 Knex Large Blue Square Panels 5.5" Wide - K'nex Standard Replacement Parts
RM 63.99
All items
4 Modern Meccano Erector Set Black Rubber Belts - Replacement Parts
RM 46.25
Knex Extreme View Video Coaster Cars - Replacement Parts Micro K'nex
RM 120.16
Knex Chain 8' Feet Coaster Parts K'nex (Large 1-1/4" Links) - (Pre-Assembled)
RM 61.20
100 Knex Red Connectors 3 Position - Standard K'nex Parts
RM 46.25
Knex Large Chain 10' feet Gears Rods K'nex Screamin Serpent Kit - Pre-Assembled
RM 90.26
50 Knex Dark Gray Rods Long 7-1/2" - Standard K'nex Parts
RM 57.48
50 Vtg Construx Blue 6-Peg Nut Connector - Building Toy Parts
RM 51.95
10 Knex Orange Clip with Angled End 3D - Standard K'nex Rare Parts
RM 55.96
NEW Cyber Knex Ultra 2.0 Robot Starter Kit - Standard K'nex Pieces
RM 253.20
200 Knex Purple Connectors 4 Position 3D - Standard K'nex Replacement Parts
RM 84.05
2 Knex Black Dart Launchers Missile - K'nex Replacement Parts
RM 44.30
300 NEW Knex Green Rods 3/4" Short - Standard K'nex Parts Bulk
RM 65.42
100 Knex Red Rods 5-1/8" - Standard K'nex Replacement Parts
RM 55.96
300 Knex Green Rods 3/4" Short - Standard K'nex Replacement Parts
RM 58.16
Knex Green Battery Powered Medium Speed Motor 45rpm K'nex Coaster Part Tested
RM 76.02
15 Knex Gears Red & Yellow Crown Med & Small K'nex Education Part Assortment
RM 53.47
40 Knex Florescent Yellow Transition Reducer Clip - Standard to Micro K'nex
RM 59.97
50 Knex Metallic Blue Connectors 7 Position 3D - Standard K'nex Parts
RM 49.46
100 Knex Fluorescent Green Coaster Track Connectors - Standard K'nex Parts
RM 92.07
50 NEW Knex Blue Connectors 7 Position 3D - Standard K'nex Parts
RM 60.52
200 Knex Red Rods 5-1/8" - Standard K'nex Replacement Parts
RM 100.10
300 Knex Yellow Connectors 5 Position - Standard K'nex Parts
RM 59.97
NEW Knex Son of Serpent 52242 Orange Coaster 5 Car Kit
RM 177.18
100 NEW Knex Black Rigid Rods 7-1/2" Long - Standard 7.5" K'nex ReplacementParts
RM 160.28
12 Knex Gears 2-1/4" Red & Yellow - K'nex Stem Education Parts
RM 59.97
Knex Roller Coaster Car Link Black Rubber - Rare Micro K'nex Replacement Part
RM 59.97
2 Knex Roller Coaster Cars Chrome & Blue-Chrome - K'nex Micro Parts
RM 72.01
400 NEW Knex Blue Spacer Washers Bushings - Standard K'nex Parts
RM 50.47
200 Knex Fluorescent Green Coaster Track Connectors - Standard K'nex Parts
RM 136.21
1 NEW Knex Light Red/Pink Rectangular Net Mesh Panel Serpent K'nex Rare Parts
RM 75.81
30 NEW Knex Racing Tires Small 1-5/8" Silver Spoke Wheels - K'nex Parts
RM 118.05
40 Knex Metallic Blue End Clip - Standard K'nex Replacement Parts
RM 61.20
4 Knex Tires Large 3.5" Gray/Silver Wheels - K'nex Replacement Parts
RM 47.94
Knex Solar Motor Orange w/o Shaft - K'nex Education Stem Part 92660
RM 63.99
100 Knex White Connectors 8 Position - Standard K'nex Replacement Parts
RM 140.22
200 Knex Gray Granite Connectors 2 Position - Standard K'nex Replacement Parts
RM 59.97
12 Knex Wheels Small 1" Black Tire w/ Closed Center - K'nex Replacement Parts
RM 44.30
1 Knex Big Yellow Gear Large Crown w/Offset Socket - K'nex Replacement Part
RM 46.25
400 NEW Knex Yellow Connectors 5 Position - Standard K'nex Parts
RM 105.38
200 Knex Fluorescent Yellow Coaster Track Connectors - Standard K'nex
RM 128.18
15 Knex Gears Black & Yellow Crown Med & Small K'nex Education Parts
RM 55.96
50 Knex Light Gray Rods 7-1/2" Long 7.5" - K'nex Standard Parts
RM 58.16
300 Knex Black Rods 3/4" Short - Standard K'nex Replacement Parts
RM 63.99
1 Knex Motor Tethered Power Pack Short Cord Screw-on Cover K'nex Part
RM 76.02
12 Knex Black Ball & Socket Connectors Clips - Standard K'nex Parts
RM 50.13
100 NEW Knex Green Connectors 4 Position - Standard K'nex Parts
RM 47.85
Micro Knex Small Chain 6' Feet, Gears, Guides K'nex Coasters - (Pre-Assembled)
RM 59.97
Knex White Speaker K'nex Rocket Boost Roller Coaster Coaster Replacement Part
RM 47.94
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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- 7***7 (15)- Feedback left by buyer.Past monthVerified purchase5*
- o***d (1969)- Feedback left by buyer.Past monthVerified purchaseA+.
- h***l (271)- Feedback left by buyer.Past monthVerified purchaseGreat all around!
- s***a (137)- Feedback left by buyer.Past monthVerified purchaseitem like new and well packaged
- h***q (788)- Feedback left by buyer.Past monthVerified purchaseTy
- 2***k (109)- Feedback left by buyer.Past monthVerified purchaseItem arrived fast in great condition, thanks!