Featured categories
Featured items
2 NEW Knex Men Mini Figure Blind Bag Series - K'nex Rare Mini Figure Packs (1993
RM 69.41
5 Knex Action Figures - Blue Green Silver Orange Robot People Men K'nex Parts
RM 130.27
4 Knex Balls Red Yellow Big Ball Factory K'NEX Replacement Parts 46mm
RM 130.27
16 Knex Square 2-1/2" Panel Plate Base Green Black Standard K'nex Parts
RM 62.92
Newly Listed
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50 Knex Blue Mixed Connectors 7 Position 3D - Standard K'nex Parts
RM 60.99
200 Knex Yellow Rods 3-7/16" - Standard K'nex Replacement Parts
RM 83.97
15 NEW Micro Knex Track Green 8" Straight & Curved Kit - K'nex Coaster Parts
RM 58.72
16 NEW Micro Knex Track Orange 8" Straight - K'nex Coaster Parts
RM 50.30
1 NEW Knex AC Motor w/Worm Gear & AC 10 foot long Power Cord K'nex 92815 Tested
RM 197.61
Knex NEW Roller Coaster Car Light Blue Replacement Part Micro K'nex
RM 58.72
All items
100 Knex Yellow Rods 3-7/16" - Standard K'nex Replacement Parts
RM 50.30
40 Knex Metallic Blue End Clip - Standard K'nex Replacement Parts
RM 62.92
Knex NEW Silver Battery Powered High Speed Motor 190rpm - Standard K'nex Parts
RM 88.18
Knex Chain 8' Feet Coaster Parts K'nex (Large 1-1/4" Links) - (Pre-Assembled)
RM 60.99
Knex Hinges - 8 Pairs (16 pieces) K'nex Blue & Green Standard Replacement Parts
RM 48.36
100 NEW Knex Blue Spacers Washers Bushings - Standard K'nex Parts
RM 41.88
50 Knex Metallic Blue Connectors 7 Position 3D - Standard K'nex Parts
RM 54.51
12 Knex Tires Small 1.75" Silver Spoke Wheels - K'nex Replacement Parts
RM 54.51
100 Knex Tan Interlocking End Clips - K'nex Standard K'nex Parts
RM 79.76
2 Knex Motors Power Spring Friction Pull Backs - K'nex Replacement Parts
RM 54.51
40 Knex Florescent Yellow Transition Reducer Clip - Standard to Micro K'nex
RM 67.13
50 NEW Knex Blue Connectors 7 Position 3D - Standard K'nex Parts
RM 62.92
100 Knex Green Rods 3/4" Short - Standard K'nex Replacement Parts
RM 46.09
12 Knex Gears 2-1/4" Red & Yellow - K'nex Stem Education Parts
RM 62.92
100 NEW Knex White Rods 1-5/16" Short - Standard K'nex Parts
RM 43.48
100 Knex Red Rods 5-1/8" - Standard K'nex Replacement Parts
RM 60.31
50 Knex Dark Gray Rods Long 7-1/2" - Standard K'nex Parts
RM 62.92
100 Knex Black Rod End Connectors - Standard K'nex Parts
RM 67.13
10 Knex Orange Clip with Angled End 3D - Standard K'nex Rare Parts
RM 58.72
600 Knex Yellow Connectors 5 Position - Standard K'nex Parts
RM 96.60
50 Knex Black Head Top Pieces - K'nex Standard Parts
RM 54.51
12 Knex Wheels Tires Small 1.75" Gray Silver Hubs Pulleys K'nex Parts
RM 54.51
600 Knex Orange 5 Position Track Connectors - Standard K'nex Parts
RM 159.73
Vtg 1985 The Goonies Movie Poster 16x24 Starmakers Weekly Reader Book Clubs 6602
RM 210.24
100 Knex Silver Gray Metallic Connectors 4 Position 3D Standard K'nex
RM 48.36
50 Knex Orange Clip Splice End Track Connectors - K'nex Rare Coaster Parts
RM 58.72
50 Knex Light Gray Rods 7-1/2" Long 7.5" - K'nex Standard Parts
RM 60.99
25 Knex Florescent Yellow Connector Brick Adaptors Standard Rare K'nex Parts
RM 62.92
100 Knex Red Connectors 3 Position - Standard K'nex Parts
RM 46.09
Mega Construx Halo Infinite Elite Ultra Minifigure - New Sealed
RM 92.39
Knex NEW Motor Tethered for K'nex Screamin Serpent w/Sound Module Coaster Parts
RM 111.50
300 Knex Green Rods 3/4" Short - Standard K'nex Replacement Parts
RM 60.99
15 Knex Gears Red & Yellow Crown Med & Small K'nex Education Part Assortment
RM 58.72
100 Knex Gray Clip Connectors with Hole End Grey - Standard K'nex Parts
RM 46.09
100 Knex Fluorescent Yellow Coaster Track Connectors - Standard K'nex Parts
RM 111.50
15 NEW Micro Knex Track Green 8" Straight & Curved Kit - K'nex Coaster Parts
RM 58.72
100 NEW Knex Silver Spacers Washers Bushings - Standard K'nex Parts
RM 54.51
200 Knex Yellow Rods 3-7/16" - Standard K'nex Replacement Parts
RM 83.97
Micro Knex Small Chain 6' Feet, Gears, Guides K'nex Coasters - (Pre-Assembled)
RM 62.92
5 Knex Action Figures - Blue Red Orange Black Robot People Men K'nex Parts
RM 130.27
100 Knex Yellow Connectors 5 Position - Standard K'nex Parts
RM 43.48
Knex Lost Mines Power Tower Crane Controller with Motors K'nex 63149 - Tested
RM 149.38
30 Knex Head Top Assortment - K'nex Standard Parts
RM 48.36
30 NEW Knex Racing Tires Small 1-5/8" Silver Spoke Wheels - K'nex Parts
RM 126.06
30 NEW Knex Panels Small Black Square Platform - K'nex Replacement Parts
RM 62.92
40 Knex Bronze End Clip - Standard K'nex Rare Replacement Parts
RM 62.92
Knex White Worm Gear for AC Electric Motor Pack - Standard K'nex Part
RM 48.36
10 Knex Black Clip with Angled End 3D - Standard K'nex Rare Parts
RM 60.99
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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