Shop k'nex building sets

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$43.03
K'nex - 70 Model Building Set 705 Pieces, STEM Learning, Creative Play Set Ages 7+
Amazon.com
3K+
Free shipping
$43.03
K'nex - 70 Model Building Set 705 Pieces, STEM Learning, Creative Play Set Ages 7+
Amazon.com
3K+
$30.70
K'nex Education - Intro To Simple Machines: Levers And Pulleys Set - 178 Pieces - For Grades 3-5 - Construction Education Toy
Amazon.com
$30.70
K'nex Education - Intro To Simple Machines: Levers And Pulleys Set - 178 Pieces - For Grades 3-5 - Construction Education Toy
Amazon.com
$68.40
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
1K+
Free shipping
$68.40
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
1K+
$32.99
K'nex Education - Intro To Simple Machines: Gears Set - 198 Pieces - Grades 3-5 - Engineering Education Toy
Amazon.com
882
$32.99
K'nex Education - Intro To Simple Machines: Gears Set - 198 Pieces - Grades 3-5 - Engineering Education Toy
Amazon.com
882
$49.99
Hand2mind Moving Creations With K'nex, Book And Building Kit For Kids Ages 8-12, 9 Models & 18 Science Experiments, Explore The Science Of Air And
Amazon.com
396
Free shipping
$49.99
Hand2mind Moving Creations With K'nex, Book And Building Kit For Kids Ages 8-12, 9 Models & 18 Science Experiments, Explore The Science Of Air And
Amazon.com
396
$38.31
$56.69
K NEX Big Ball Factory Building Set
philomacar
Free shipping
32% off
$38.31
$56.69
K NEX Big Ball Factory Building Set
philomacar
Free shipping
$59.95
K'nex Tinkertoy 100 Piece Set In Collectible Tin - Duluth Trading Company
Duluth Trading Company
$59.95
K'nex Tinkertoy 100 Piece Set In Collectible Tin - Duluth Trading Company
Duluth Trading Company
$30.06
$41.18
K NEX 100 Model Building Set 863 Pieces Ages 7+ Engineering
Megeanus
Free shipping
27% off
$30.06
$41.18
K NEX 100 Model Building Set 863 Pieces Ages 7+ Engineering
Megeanus
Free shipping
$42.57
$66.40
Model Ultimate Building Set 480 Pieces By K'nex - Bestseller
episodecloud.com
35% off
$42.57
$66.40
Model Ultimate Building Set 480 Pieces By K'nex - Bestseller
episodecloud.com
$29.99
K'nex Lincoln Logs On The Trail Construction Toy Set
Cabela's
3
$29.99
K'nex Lincoln Logs On The Trail Construction Toy Set
Cabela's
3
$73.43
$86.29
K'nex Education STEM Explorations Roller Coaster Building Set From S&S Worldwide
S&S Worldwide
2K+
14% off
$73.43
$86.29
K'nex Education STEM Explorations Roller Coaster Building Set From S&S Worldwide
S&S Worldwide
2K+
$104.69
Classic Building Set 40 Models, 700 Piece - K'nex
eBay
Free shipping
$104.69
Classic Building Set 40 Models, 700 Piece - K'nex
eBay
Free shipping
$199.90
K'nex K-Force - Flash Fire Motorized Blaster Building Set - 288 Pieces
eBay
1
Free shipping
$199.90
K'nex K-Force - Flash Fire Motorized Blaster Building Set - 288 Pieces
eBay
1
$249.99
K'nex Stem Computer Control Set - 699 Pieces, Build And Control 5 K'nex Models (One At A Time)
Walmart
3
Free shipping
$249.99
K'nex Stem Computer Control Set - 699 Pieces, Build And Control 5 K'nex Models (One At A Time)
Walmart
3
$65.94
K'nex Architecture - Empire State Building
Toy Street GMC
$65.94
K'nex Architecture - Empire State Building
Toy Street GMC
$70.38
Knex Imagine: Click & Construct Value Set - 522 Pieces, 35 Models, Stem Learning Creative Construction Model For Ages 7
Everymarket INC
1K+
$70.38
Knex Imagine: Click & Construct Value Set - 522 Pieces, 35 Models, Stem Learning Creative Construction Model For Ages 7
Everymarket INC
1K+
$60.00
$120.00
Knex Toys | Nwt Nib K'nex Knex Collect & Build 2 Speed Coaster 12082 428 Pcs Amusement Park | Color: Blue/Yellow | Size: 428 Pieces
Poshmark
50% off
$60.00
$120.00
Knex Toys | Nwt Nib K'nex Knex Collect & Build 2 Speed Coaster 12082 428 Pcs Amusement Park | Color: Blue/Yellow | Size: 428 Pieces
Poshmark
$49.99
Hand2mind Moving Creations With K'nex STEM Playset, Multi
Kohl's
396
Free shipping
$49.99
Hand2mind Moving Creations With K'nex STEM Playset, Multi
Kohl's
396
$25.00
$35.00
Knex Toys | New Knex Set 305 Pieces | Color: Blue/Red | Size: 305 Pieces
Poshmark
28% off
$25.00
$35.00
Knex Toys | New Knex Set 305 Pieces | Color: Blue/Red | Size: 305 Pieces
Poshmark
$50.00
$75.00
Knex Toys | Typhoon Frenzy Roller Coaster Building Set - Knex, Nib | Color: Blue/Green | Size: N/A
Poshmark
33% off
$50.00
$75.00
Knex Toys | Typhoon Frenzy Roller Coaster Building Set - Knex, Nib | Color: Blue/Green | Size: N/A
Poshmark
$175.94
Kid K'nex Classroom Collection, Price/Each
Opentip.com
Free shipping
$175.94
Kid K'nex Classroom Collection, Price/Each
Opentip.com
Free shipping
$55.00
Knex Toys | Knex Imagine: Power And Play Motorized Building Set 529 Pieces, Stem | Color: Blue/White | Size: Osb
Poshmark
$55.00
Knex Toys | Knex Imagine: Power And Play Motorized Building Set 529 Pieces, Stem | Color: Blue/White | Size: Osb
Poshmark
$19.99
Motorized Creations K'nex Building Set
Hobby Lobby
5
$19.99
Motorized Creations K'nex Building Set
Hobby Lobby
5
$23.59
Klutz Lego Gear Bots Science/STEM Activity Kit For 8-12 Years
Amazon.com
4K+
$23.59
Klutz Lego Gear Bots Science/STEM Activity Kit For 8-12 Years
Amazon.com
4K+
$39.00
Knex Toys | Knex Revolution Ferris Wheel Building Set Motorized Stem 344 Pcs | Color: Red | Size: Osb
Poshmark
$39.00
Knex Toys | Knex Revolution Ferris Wheel Building Set Motorized Stem 344 Pcs | Color: Red | Size: Osb
Poshmark
$54.95
K'nex - Intro To Structures: Bridges
Home Science Tools
832
$54.95
K'nex - Intro To Structures: Bridges
Home Science Tools
832
$143.95
Knex 100 Model Set - Various
eBay
$143.95
Knex 100 Model Set - Various
eBay
$65.00
Knex Toys | Rare Nib - Knex Collect & Build Ferris Wheel | Color: Tan | Size: Osb
Poshmark
$65.00
Knex Toys | Rare Nib - Knex Collect & Build Ferris Wheel | Color: Tan | Size: Osb
Poshmark
$32.99
K'nex Assorted Bundle With Storage Case
eBay
$32.99
K'nex Assorted Bundle With Storage Case
eBay
$129.95
K'nex Control Crane Building Set Working Motorized Crane Open Box Knex
eBay
Free shipping
$129.95
K'nex Control Crane Building Set Working Motorized Crane Open Box Knex
eBay
Free shipping
$130.00
K'nex Education Maker's Kit, Large
Carolina Biological Supply
$130.00
K'nex Education Maker's Kit, Large
Carolina Biological Supply
$59.99
Playstix Construction Toy Building Blocks Set 211 Piece STEM Kit
Amazon.com
327
Free shipping
$59.99
Playstix Construction Toy Building Blocks Set 211 Piece STEM Kit
Amazon.com
327
$54.95
K'nex - Intro To Simple Machines: Gears
Home Science Tools
882
$54.95
K'nex - Intro To Simple Machines: Gears
Home Science Tools
882
$42.00
K'nex Toys | K'nex (17035) 3 in 1 Classic Amusement Park Building Set 744 Pcs New Opened Box | Color: Red/Yellow | Size: Osbb
Poshmark
$42.00
K'nex Toys | K'nex (17035) 3 in 1 Classic Amusement Park Building Set 744 Pcs New Opened Box | Color: Red/Yellow | Size: Osbb
Poshmark
$30.00
Knex Toys | Knex Education Building Set: Bridges Introduction To Structures Euc | Color: Blue/Purple | Size: Os
Poshmark
$30.00
Knex Toys | Knex Education Building Set: Bridges Introduction To Structures Euc | Color: Blue/Purple | Size: Os
Poshmark
$39.20
$52.99
K'nex Amazin' 8 Roller Coaster
Toy Street GMC
477
26% off
$39.20
$52.99
K'nex Amazin' 8 Roller Coaster
Toy Street GMC
477
K'NEX Mario Kart Wii Building Sets: ULTIMATE COMBINATION SET
1:08
Find in video from 00:13Overview of Mario Kart Wii Builds
K'NEX Mario Kart Wii Building Sets: ULTIMATE COMBINATION SET
623.5K viewsSep 18, 2012
YouTubeknexteam
Sorcerer's Eclipse Roller Coaster™ Building Set by K'NEX
0:51
Find in video from 00:10Building the Roller Coaster
Sorcerer's Eclipse Roller Coaster™ Building Set by K'NEX
300.7K viewsMay 29, 2013
YouTubeknexteam
K'NEX NASCAR No. 24 DuPont Pit Lane Building Set
0:44
Find in video from 0:00Introduction to the Build Set
K'NEX NASCAR No. 24 DuPont Pit Lane Building Set
165.2K viewsOct 27, 2010
YouTubeknexteam
K'NEX 50 Model Big Value Building Set
0:56
Find in video from 0:00Introduction to K'NEX 50 Model
K'NEX 50 Model Big Value Building Set
17.8K viewsJun 11, 2014
YouTubeknexteam
SUPER MARIO: Bowser's Castle Building Set by K'NEX
1:23
Find in video from 00:11Building the World
SUPER MARIO: Bowser's Castle Building Set by K'NEX
20.7M viewsMay 29, 2013
YouTubeknexteam
K'nex 52 Model Building Set - Attack Helicopter
19:44
K'nex 52 Model Building Set - Attack Helicopter
13.1K viewsApr 28, 2020
YouTubeK'nex & Lego
K'NEX Mario Kart Wii: Mario and Luigi™ Starting Line Building Set
1:03
Find in video from 00:43Other Sets Available to Build Bowser's Castle or Mario Circuit
K'NEX Mario Kart Wii: Mario and Luigi™ Starting Line Building Set
120.4K viewsJul 14, 2015
YouTubeknexteam
5:31
K'nex 3-IN-1 CLASSIC AMUSEMENT PARK Building Set! - How To!
40.1K viewsSep 20, 2020
YouTubeThe Lions Of Creativity
0:43
Find in video from 00:01Introduction to the Set
Raptor's Revenge Coaster Building Set by K'NEX
92.9K viewsMay 29, 2013
YouTubeknexteam
0:44
Find in video from 0:00Introduction to Power and Play Motorized Building Set
K'NEX Imagine Power And Play Motorized Building Set
20.1K viewsSep 14, 2017
YouTubeknexteam
1:48
Find in video from 00:15Overview of the Building Set
STEM Explorations: Roller Coaster Building Set from K'NEX
63.9K viewsJul 16, 2016
YouTubeTTPM Toy Reviews
0:59
Find in video from 0:00Introduction to the Ultimate Mario Circuit Building Set
K'NEX Mario Kart Wii: MARIO CIRCUIT ULTIMATE BUILDING SET
956.6K viewsSep 18, 2012
YouTubeknexteam
0:43
K'NEX ANGRY BIRDS Building Sets: INTRO ASSORTMENT
1.2M viewsSep 18, 2012
YouTubeknexteam
0:39
K'NEX ANGRY BIRDS SPACE Building Set: INTRO ASSORTMENT
2.2M viewsSep 18, 2012
YouTubeknexteam
0:30
K'NEX - Click & Construct Value Building Set - 522 Pieces, STEM B…
1.6K viewsJul 1, 2018
amazon.com
0:30
Amazon.com: K'NEX - 100 Model Building Set ‚ 863 Pieces, STEM B…
963 viewsJul 1, 2015
amazon
0:30
K'NEX - 3-in-1 Classic Amusement Park Building Set - 744 Pieces, Mo…
Jul 1, 2016
amazon.com
0:30
K'NEX - 40 Model Building Set‚ 141 Pieces, STEM Toy, Engineering Pl…
6 viewsJul 19, 2019
amazon.com
0:30
K'NEX Education - STEM Explorations: Vehicles Building S…
2.3K viewsDec 15, 2016
amazon.com
0:30
K'NEX Education - STEM Explorations: Roller Coaster Set ‚ …
Jul 1, 2016
amazon
1:17
K'NEX Titanfall - Ultimate Angel City Campaign Building Set
4 viewsOct 26, 2018
amazon.com
0:41
Amazon.com: K’NEX Education – Kid K’NEX Group Building Set – 1…
Nov 25, 2016
amazon.com
0:30
KID K'NEX - Budding Builders Set ‚ 100 Pieces, Preschool STEM Build…
Apr 7, 2017
amazon.com
0:30
Amazon.com: KID K'NEX - Dino Dudes Set ‚ 100 Pieces, Preschoo…
Jul 12, 2019
amazon.com
1:13
Find in video from 0:00Introduction to K'NEX Super Mario Building Sets
K'NEX SUPER MARIO Enemy Assortment Building Sets
3M viewsMay 29, 2013
YouTubeknexteam
0:48
K'NEX Angry Birds Building Sets: MISSION MAY'HAM / HAMMIN'AR…
407.9K viewsSep 18, 2012
YouTubeknexteam
0:50
Find in video from 0:00Introduction to K'NEX Big Ball Factory Building Set
K'NEX Big Ball Factory Building Set
53.2K viewsJul 27, 2015
YouTubeknexteam
0:22
K'NEXosaurus Rex Building Set
10.5K viewsJun 11, 2014
YouTubeknexteam
0:45
Find in video from 0:00Introduction to K'NEX Classics 50
K'NEX CLASSICS 50 MODEL BUILDING SET
14K viewsSep 18, 2012
YouTubeknexteam
1:16
Find in video from 00:02Introducing the New Connects Classics Building Sets
NEW K'NEX Classics Building Sets
7.7K viewsAug 17, 2011
YouTubeknexteam
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Shop k'nex building sets

Sponsored
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$104.69
Classic Building Set 40 Models, 700 Piece - K'nex
eBay
Free shipping
$104.69
Classic Building Set 40 Models, 700 Piece - K'nex
eBay
$199.90
K'nex K-Force - Flash Fire Motorized Blaster Building Set - 288 Pieces
eBay
1
Free shipping
$199.90
K'nex K-Force - Flash Fire Motorized Blaster Building Set - 288 Pieces
eBay
$249.99
K'nex Stem Computer Control Set - 699 Pieces, Build And Control 5 K'nex Models (One At A Time)
Walmart
3
Free shipping
$249.99
K'nex Stem Computer Control Set - 699 Pieces, Build And Control 5 K'nex Models (One At A Time)
Walmart
$65.94
K'nex Architecture - Empire State Building
Toy Street GMC
$65.94
K'nex Architecture - Empire State Building
Toy Street GMC
$70.38
Knex Imagine: Click & Construct Value Set - 522 Pieces, 35 Models, Stem Learning Creative Construction Model For Ages 7
Everymarket INC
1K+
$70.38
Knex Imagine: Click & Construct Value Set - 522 Pieces, 35 Models, Stem Learning Creative Construction Model For Ages 7
Everymarket INC
$60.00
$120.00
Knex Toys | Nwt Nib K'nex Knex Collect & Build 2 Speed Coaster 12082 428 Pcs Amusement Park | Color: Blue/Yellow | Size: 428 Pieces
Poshmark
50% off
$60.00
$120.00
Knex Toys | Nwt Nib K'nex Knex Collect & Build 2 Speed Coaster 12082 428 Pcs Amusement Park | Color: Blue/Yellow | Size: 428 Pieces
Poshmark
$49.99
Hand2mind Moving Creations With K'nex STEM Playset, Multi
Kohl's
396
Free shipping
$49.99
Hand2mind Moving Creations With K'nex STEM Playset, Multi
Kohl's
$25.00
$35.00
Knex Toys | New Knex Set 305 Pieces | Color: Blue/Red | Size: 305 Pieces
Poshmark
28% off
$25.00
$35.00
Knex Toys | New Knex Set 305 Pieces | Color: Blue/Red | Size: 305 Pieces
Poshmark
$50.00
$75.00
Knex Toys | Typhoon Frenzy Roller Coaster Building Set - Knex, Nib | Color: Blue/Green | Size: N/A
Poshmark
33% off
$50.00
$75.00
Knex Toys | Typhoon Frenzy Roller Coaster Building Set - Knex, Nib | Color: Blue/Green | Size: N/A
Poshmark
$175.94
Kid K'nex Classroom Collection, Price/Each
Opentip.com
Free shipping
$175.94
Kid K'nex Classroom Collection, Price/Each
Opentip.com
$55.00
Knex Toys | Knex Imagine: Power And Play Motorized Building Set 529 Pieces, Stem | Color: Blue/White | Size: Osb
Poshmark
$55.00
Knex Toys | Knex Imagine: Power And Play Motorized Building Set 529 Pieces, Stem | Color: Blue/White | Size: Osb
Poshmark
$19.99
Motorized Creations K'nex Building Set
Hobby Lobby
5
$19.99
Motorized Creations K'nex Building Set
Hobby Lobby
$23.59
Klutz Lego Gear Bots Science/STEM Activity Kit For 8-12 Years
Amazon.com
4K+
$23.59
Klutz Lego Gear Bots Science/STEM Activity Kit For 8-12 Years
Amazon.com
$39.00
Knex Toys | Knex Revolution Ferris Wheel Building Set Motorized Stem 344 Pcs | Color: Red | Size: Osb
Poshmark
$39.00
Knex Toys | Knex Revolution Ferris Wheel Building Set Motorized Stem 344 Pcs | Color: Red | Size: Osb
Poshmark
$54.95
K'nex - Intro To Structures: Bridges
Home Science Tools
832
$54.95
K'nex - Intro To Structures: Bridges
Home Science Tools
$143.95
Knex 100 Model Set - Various
eBay
$143.95
Knex 100 Model Set - Various
eBay
$65.00
Knex Toys | Rare Nib - Knex Collect & Build Ferris Wheel | Color: Tan | Size: Osb
Poshmark
$65.00
Knex Toys | Rare Nib - Knex Collect & Build Ferris Wheel | Color: Tan | Size: Osb
Poshmark
$32.99
K'nex Assorted Bundle With Storage Case
eBay
$32.99
K'nex Assorted Bundle With Storage Case
eBay

Shop k'nex building sets

Sponsored
About our ads
$43.03
K'nex - 70 Model Building Set 705 Pieces, STEM Learning, Creative Play Set Ages 7+
Amazon.com
3K+
Free shipping
$43.03
K'nex - 70 Model Building Set 705 Pieces, STEM Learning, Creative Play Set Ages 7+
Amazon.com
3K+
$30.70
K'nex Education - Intro To Simple Machines: Levers And Pulleys Set - 178 Pieces - For Grades 3-5 - Construction Education Toy
Amazon.com
$30.70
K'nex Education - Intro To Simple Machines: Levers And Pulleys Set - 178 Pieces - For Grades 3-5 - Construction Education Toy
Amazon.com
$68.40
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
1K+
Free shipping
$68.40
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
1K+
$32.99
K'nex Education - Intro To Simple Machines: Gears Set - 198 Pieces - Grades 3-5 - Engineering Education Toy
Amazon.com
882
$32.99
K'nex Education - Intro To Simple Machines: Gears Set - 198 Pieces - Grades 3-5 - Engineering Education Toy
Amazon.com
882
$49.99
Hand2mind Moving Creations With K'nex, Book And Building Kit For Kids Ages 8-12, 9 Models & 18 Science Experiments, Explore The Science Of Air And
Amazon.com
396
Free shipping
$49.99
Hand2mind Moving Creations With K'nex, Book And Building Kit For Kids Ages 8-12, 9 Models & 18 Science Experiments, Explore The Science Of Air And
Amazon.com
396
$38.31
$56.69
K NEX Big Ball Factory Building Set
philomacar
Free shipping
32% off
$38.31
$56.69
K NEX Big Ball Factory Building Set
philomacar
Free shipping
$59.95
K'nex Tinkertoy 100 Piece Set In Collectible Tin - Duluth Trading Company
Duluth Trading Company
$59.95
K'nex Tinkertoy 100 Piece Set In Collectible Tin - Duluth Trading Company
Duluth Trading Company
$30.06
$41.18
K NEX 100 Model Building Set 863 Pieces Ages 7+ Engineering
Megeanus
Free shipping
27% off
$30.06
$41.18
K NEX 100 Model Building Set 863 Pieces Ages 7+ Engineering
Megeanus
Free shipping
$42.57
$66.40
Model Ultimate Building Set 480 Pieces By K'nex - Bestseller
episodecloud.com
35% off
$42.57
$66.40
Model Ultimate Building Set 480 Pieces By K'nex - Bestseller
episodecloud.com
$29.99
K'nex Lincoln Logs On The Trail Construction Toy Set
Cabela's
3
$29.99
K'nex Lincoln Logs On The Trail Construction Toy Set
Cabela's
3
$73.43
$86.29
K'nex Education STEM Explorations Roller Coaster Building Set From S&S Worldwide
S&S Worldwide
2K+
14% off
$73.43
$86.29
K'nex Education STEM Explorations Roller Coaster Building Set From S&S Worldwide
S&S Worldwide
2K+
$104.69
Classic Building Set 40 Models, 700 Piece - K'nex
eBay
Free shipping
$104.69
Classic Building Set 40 Models, 700 Piece - K'nex
eBay
Free shipping
$199.90
K'nex K-Force - Flash Fire Motorized Blaster Building Set - 288 Pieces
eBay
1
Free shipping
$199.90
K'nex K-Force - Flash Fire Motorized Blaster Building Set - 288 Pieces
eBay
1
$249.99
K'nex Stem Computer Control Set - 699 Pieces, Build And Control 5 K'nex Models (One At A Time)
Walmart
3
Free shipping
$249.99
K'nex Stem Computer Control Set - 699 Pieces, Build And Control 5 K'nex Models (One At A Time)
Walmart
3
$65.94
K'nex Architecture - Empire State Building
Toy Street GMC
$65.94
K'nex Architecture - Empire State Building
Toy Street GMC
$70.38
Knex Imagine: Click & Construct Value Set - 522 Pieces, 35 Models, Stem Learning Creative Construction Model For Ages 7
Everymarket INC
1K+
$70.38
Knex Imagine: Click & Construct Value Set - 522 Pieces, 35 Models, Stem Learning Creative Construction Model For Ages 7
Everymarket INC
1K+
$60.00
$120.00
Knex Toys | Nwt Nib K'nex Knex Collect & Build 2 Speed Coaster 12082 428 Pcs Amusement Park | Color: Blue/Yellow | Size: 428 Pieces
Poshmark
50% off
$60.00
$120.00
Knex Toys | Nwt Nib K'nex Knex Collect & Build 2 Speed Coaster 12082 428 Pcs Amusement Park | Color: Blue/Yellow | Size: 428 Pieces
Poshmark
$49.99
Hand2mind Moving Creations With K'nex STEM Playset, Multi
Kohl's
396
Free shipping
$49.99
Hand2mind Moving Creations With K'nex STEM Playset, Multi
Kohl's
396