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|  | K'Nex Vintage Set Orange Case Building Set Includes 970 + Pieces & Manual $29.00 | |
 | K'Nex 89790 6ft Ferris Wheel Building Set (Disassembled) $300.00 | |
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|  | K'nex Pacman Roller Coaster Building Set Motorized 432 $22.49 | |
 | K'Nex Building Set in Original Case: Read the Description $25.00 | |
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|  | K'Nex Mega Motorcycle Building Set Nib- 456 Parts -Working Suspension Sealed! $12.50 | |
 | K'Nex Education Real Bridge Building Set 1112139 Incomplete Please See Photos $48.00 | |
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|  | Knex Architecture -Empire State Building Building Set-New/Other $52.95 | |
 | K'nex 79320 Stem Explorations Education Vehicles Building Set 131pcs Ages 8+ New $24.95 | |
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|  | K'Nex Education Real Bridge Building Set 1112139 2304pc $65.00 | |
 | New! K'Nex Nintendo Super Mario 3D Land Ghost House Building Set w/ Boo Sealed $99.95 | |
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|  | K'Nex 3-In-1 Classic Amusement Park Set Ages 9+ 744 Pieces Building Toys New $56.38 | |
 | For Parts K'Nex 3-in-1 Classic Amusement Park Building Set - 744 Pieces 3 Builds $20.00 | |
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|  | K'Nex 1,650+ pcs. Value Tub Grab Bag full of 50 Bags of Parts/Sorted/2 Motors $59.27 | |
 | K'Nex Super Mario Cannon Building Set 142-Piece - New & Sealed $45.60 | |
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|  | Sealed K'Nex Cobra Striker New Metallic Colors Build 3 Models $29.99 | |
 | Mario Kart 7 K'Nex New 2013 Nintendo Donkey Kong Bolt Buggy Kart Building Set $18.95 | |
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|  | K'Nex Education Robotics Building System 79100 Set 825 Pieces Open box $109.00 | |
 | Knex Big Ball Factory Building Set 63045 Incomplete Read $125.98 | |
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|  | Lot of Factory Sealed K'Nex Building Toys in Yellow Storage Case $15.00 | |
 | Knex K'Nex Pieces 18 Lbs Rods Connectors Tires Motors Huge Lot Sorted $39.95 | |
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|  | Large Lot of Kid K'nex Various Building Parts Pieces Assorted Parts $10.00 | |
 | K’Nex Imagine: 100 Model Building Set – 863 Pieces, Stem Learning Creative Co. $64.17 | |
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|  | K'Nex Adventure Wheels Building Set - 480 Pieces for Creative Building Fun $42.97 | |
 | K'nex building set, wings and things with storage case and booklet $12.95 | |
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|  | New Vintage 1998 K'Nex Building Set 13122 Hyperspace K-Force Defense Station $37.99 | |
 | K'nex Ac Motor w/Worm, Adapter & White Worm Gear Knex Replacement Parts 80011 $43.23 | |
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|  | K’nex Architecture Golden Gate Bridge San Francisco Construction Kit $35.99 | |
 | K'Nex Imagine 4Wd Crusher Tank Building Set 249 Piece 3 Builds Open Box Damage $14.99 | |
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|  | 200 Knex Rods & Connectors Mixed Bulk Lot Standard Replacement Parts K'Nex $17.95 | |
 | K'nex 78630 Stem Education Simple Machines: Gears Building Set 198pcs Ages8+ New $24.99 | |
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|  | K'Nex Imagine Road Fighters Building Set #23344 213 pcs for 3 motorized builds E $19.99 | |
 | Lot of 60 Kid K'Nex Knex Building Pieces Parts Rods Connectors Misc & Case $6.99 | |
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|  | K'Nex Nintendo Mario Kart Wii Ultimate Combination Building Set Nob 870 Pieces $150.00 | |
 | K’Nex – 35 Model Building Set – 480 Pieces – For Ages 7+ Construction $34.49 | |
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|  | K'nex Cool Machines Dune Racers 1999 Model Building Set #11538 Brand New $34.97 | |
 | K'Nex K'Nexosaurus Builds 3 models 12511 with Power Pack New $9.99 | |
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|  | K'nex Motorized Madness Ball Machine 2004pc Building Kit Set 50086 New Open Box $59.95 | |
 | Knex Mighty Makers Home Designer Building Set 457 Pieces Brianna & Sophia K’Nex $37.95 | |
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|  | K'Nex Education Robotics Building System 79100 Set 825 Pieces Open box No Motor $33.99 | |
 | Huge K'Nex Bulk Mixed Lot - 14+ lbs $60.00 | |
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|  | K'nex Mario Kart Wii Mario And Yoshi Vs Stone Bowser Building Set, missing parts $85.00 | |
 | K'Nex Set Orange Carrying Case Intermediate Building Set Includes 1,645 Pieces $39.99 | |
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|  | K'nex Super Mario Bros 2 Reznor Building Set $29.99 | |
 | K'Nex Architecture Eiffel Tower Design #003 Build Set w/ 1462 Pieces! New! $49.99 | |
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|  | K'Nex Building System - Vertical Vengeance Coaster - Brand New in Box $110.00 | |
 | K'nex Amusement Park Octopus Whirl 454 pcs With Motor Collect & Build 3 $12.99 | |
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|  | Factory Sealed - K'Nex Disney Parks Dumbo Building Set - 1015 Pieces - New $109.99 | |
 | K'Nex Mech Warrior Thor New Sealed Building Set $25.55 | |
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|  | Knex 80216 Amazin 8 Coaster Building Set, Colourful Construction Set for Boys an | |
 | Never Used Knex Mighty Makers Home Designer Building Set Pieces Brianna & Sophia $29.50 | |
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|  | K'Nex Education Intro to Simple Machines: Wheels, Axles, & Inclined Planes Set $23.99 | |
 | New Knex Command-A-Bot Radio Control Building Set Robot World 63155 1999 Vtg $179.99 | |
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|  | K'Nex Motorized Classics Building/Construction Set 529 Pieces 50 models Age 7+ $45.99 | |
 | K'Nex Mario Kart Mario 43pc Kart Building Set Nintendo Super Mario Bros New $15.40 | |
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|  | K'Nex Exploring Machines Education Class Pack Building Set Knex 78600 Complete $125.00 | |
 | K'nex Classic Constructions Building Set 17435 Complete $20.58 | |
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|  | K'Nex Loopin' Lightning Coaster 622pc Rare* Sealed Brand New (2009) $99.99 | |
 | K'Nex Beasts Alive Stompz Dinosaur Building Set # 34485, 356 Pieces with Motor $29.99 | |
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|  | K’Nex 100 Unique Models Imagine Building Set 863 Pieces Ages 7+ Engineering Stem $39.95 | |
 | K'nex Sawblade Thrill Ride Building Set Gifts Vintage $50.00 | |
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|  | Vintage K'Nex Blue Box Hard Knex Carrying Case Organizer 1995 $75.00 | |
 | K’Nex Mariokart Wii, Mario & Diddy Kong Fire Challenge Building Set, New in Box $50.00 | |
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|  | K'Nex Education Stem Explorations Gears Building Set New! $14.99 | |
 | K'nex Building Set Power & Play Motorized ( 50 Models-529 Pieces) New & Sealed $45.00 | |
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| Click to see more K'NEX items at www.ebay.com
Prices current as of last update, 04/18/25 5:11pm.
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