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Sponsored
$437.65
K'nex - Thrill Rides 6-Foot Ferris Wheel STEM Building, Creative Construction Set Ages 16+
Amazon.com
Free shipping
Easy-to-follow instructions · K'NEX · plastic
$437.65
K'nex - Thrill Rides 6-Foot Ferris Wheel STEM Building, Creative Construction Set Ages 16+
Amazon.com
Easy-to-follow instructions · K'NEX · plastic
$19.99
Motorized Creations K'nex Building Set
Hobby Lobby
44
$19.99
Motorized Creations K'nex Building Set
Hobby Lobby
44
$31.24
$43.00
K'nex Education Stem Explorations: Roller Coaster Building Set 546 Pieces Ages 8+ Construction Education Toy
Walmart
11
27% off
$31.24
$43.00
K'nex Education Stem Explorations: Roller Coaster Building Set 546 Pieces Ages 8+ Construction Education Toy
Walmart
11
$50.75
KID KNEX - Oodles Of Pals Building Set - 116 Pieces - Ages 3 And Up Preschool Educational Toy (Amazon Exclusive)
Amazon.com
Free shipping
$50.75
KID KNEX - Oodles Of Pals Building Set - 116 Pieces - Ages 3 And Up Preschool Educational Toy (Amazon Exclusive)
Amazon.com
Free shipping
$47.00
K'nex - Power & Play Motorized Set 529 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
Free shipping
$47.00
K'nex - Power & Play Motorized Set 529 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
Free shipping
$26.90
K'nex Education - STEM Explorations: Vehicles Building Set Kid Construction Play, Creative Building Ages 8+
Amazon.com
$26.90
K'nex Education - STEM Explorations: Vehicles Building Set Kid Construction Play, Creative Building Ages 8+
Amazon.com
$26.78
K'nex - Adventure Wheels Building Set - 480 Pieces STEM Building, Creative Construction Set Ages 7+
Amazon.com
High-quality Material · K'NEX · plastic
$26.78
K'nex - Adventure Wheels Building Set - 480 Pieces STEM Building, Creative Construction Set Ages 7+
Amazon.com
High-quality Material · K'NEX · plastic
$125.00
K'nex Ferris Wheel -
eBay
Free shipping
$125.00
K'nex Ferris Wheel -
eBay
Free shipping
$47.99
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
1K+
Free shipping
$47.99
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
1K+
$35.16
K'nex - Click & Construct Value Building Set - 522 Pieces, STEM Building, Creative Play Set Ages 7+
Amazon.com
Free shipping
$35.16
K'nex - Click & Construct Value Building Set - 522 Pieces, STEM Building, Creative Play Set Ages 7+
Amazon.com
Free shipping
$299.99
Knex Knex Screaming Serpent 2 Models Motorized Roller Coaster Very
eBay
Free shipping
$299.99
Knex Knex Screaming Serpent 2 Models Motorized Roller Coaster Very
eBay
Free shipping
$92.99
$123.99
KNEX K'nex STEM Explorations Building Bundle | Rubber
School Specialty
25% off
$92.99
$123.99
KNEX K'nex STEM Explorations Building Bundle | Rubber
School Specialty
$32.67
KID K'nex - Budding Builders Set 100 Pieces, Preschool STEM Building, Kid Construction Set, Creative Play Ages 3+
Amazon.com
High-quality Material · K'NEX · plastic
$32.67
KID K'nex - Budding Builders Set 100 Pieces, Preschool STEM Building, Kid Construction Set, Creative Play Ages 3+
Amazon.com
High-quality Material · K'NEX · plastic
$699.00
K'nex Thrill Rides 6-Foot Ferris Wheel 89790
eBay
$699.00
K'nex Thrill Rides 6-Foot Ferris Wheel 89790
eBay
$339.00
K'nex Big Ball Factory Complete Set W Box, Instructions & Dc Electric
eBay
Free shipping
$339.00
K'nex Big Ball Factory Complete Set W Box, Instructions & Dc Electric
eBay
Free shipping
$29.75
$35.00
Vintage Kid K'nex Building Set, 100 Piece Set
Etsy
Free shipping
Used
15% off
$29.75
$35.00
Vintage Kid K'nex Building Set, 100 Piece Set
Etsy
Free shipping
$73.43
$86.29
K'nex Education Intro To Structures Building Set - Bridges From S&S Worldwide
S&S Worldwide
14% off
$73.43
$86.29
K'nex Education Intro To Structures Building Set - Bridges From S&S Worldwide
S&S Worldwide
$34.53
K'nex Classics 300 Pc/ 20 Model Building Fun Tub (Blue Tub)
Toy Street GMC
14-day returns (most items)
$34.53
K'nex Classics 300 Pc/ 20 Model Building Fun Tub (Blue Tub)
Toy Street GMC
14-day returns
$34.58
$46.99
K'nex - 255 Pc/ 2 Model - K'nexosaurus Rex Building Set
Toy Street GMC
103
26% off
$34.58
$46.99
K'nex - 255 Pc/ 2 Model - K'nexosaurus Rex Building Set
Toy Street GMC
103
$463.91
K'nex Thrill Rides 6-Foot Ferris Wheel,Creative Skills For 16-99 Years
eBay
Free shipping
$463.91
K'nex Thrill Rides 6-Foot Ferris Wheel,Creative Skills For 16-99 Years
eBay
Free shipping
$39.85
$43.99
K'nex Cyber-X C5 Neostrike
Toy Street GMC
$39.85
$43.99
K'nex Cyber-X C5 Neostrike
Toy Street GMC
$10.77
$15.99
K'nex Classics 125 Pc/ 10 Model - Beginner Builds Building Set
Toy Street GMC
32% off
$10.77
$15.99
K'nex Classics 125 Pc/ 10 Model - Beginner Builds Building Set
Toy Street GMC
$144.97
$193.29
KNEX K'nex Maker Kit Large | Elementary-Middle School | Kids
School Specialty
24% off
$144.97
$193.29
KNEX K'nex Maker Kit Large | Elementary-Middle School | Kids
School Specialty
$54.95
K'nex - Intro To Structures: Bridges
Home Science Tools
60-day returns (most items)
$54.95
K'nex - Intro To Structures: Bridges
Home Science Tools
60-day returns
$48.64
K'nex - 70 Model Building Set 705 Pieces, STEM Learning, Creative Play Set Ages 7+
Amazon.com
Free shipping
$48.64
K'nex - 70 Model Building Set 705 Pieces, STEM Learning, Creative Play Set Ages 7+
Amazon.com
Free shipping
$30.33
$46.99
K'nex Classics 325 Pc/ 25 Model Motorized Creations Building Set
Toy Street GMC
14-day returns (most items)
35% off
$30.33
$46.99
K'nex Classics 325 Pc/ 25 Model Motorized Creations Building Set
Toy Street GMC
14-day returns
$30.54
K'nex Cyber-X, K5 Gigablast Building Set
Toy Street GMC
$30.54
K'nex Cyber-X, K5 Gigablast Building Set
Toy Street GMC
$131.24
$174.99
KNEX K'nex STEM Amusement Park Bundle Set
School Specialty
25% off
$131.24
$174.99
KNEX K'nex STEM Amusement Park Bundle Set
School Specialty
$43.86
K'nex Building Set Toy Motorized Creations Plastic Assorted 325 Pc Assorted KNX 85049
DkHardware.com
44
$43.86
K'nex Building Set Toy Motorized Creations Plastic Assorted 325 Pc Assorted KNX 85049
DkHardware.com
44
$29.99
K'nex Lincoln Logs On The Trail Construction Toy Set
Bass Pro Shopping
1K+
$29.99
K'nex Lincoln Logs On The Trail Construction Toy Set
Bass Pro Shopping
1K+
$48.85
K'nex Pac-Man Series 1 Mystery Figure Bag Set
Walmart
Free shipping
$48.85
K'nex Pac-Man Series 1 Mystery Figure Bag Set
Walmart
Free shipping
$25.19
K'nex Building Set Toy Plastic 141 Pc KNX 15210
DkHardware.com
3K+
$25.19
K'nex Building Set Toy Plastic 141 Pc KNX 15210
DkHardware.com
3K+
$38.09
$50.79
KNEX K'nex Imagine Creation Zone Building Set, 417 Pieces | Elementary-Middle School | Kids
School Specialty
25% off
$38.09
$50.79
KNEX K'nex Imagine Creation Zone Building Set, 417 Pieces | Elementary-Middle School | Kids
School Specialty
$19.98
K'nex STEM Explorations: Gears Building Set
Christianbook.com
K'NEX · plastic · vehicles
$19.98
K'nex STEM Explorations: Gears Building Set
Christianbook.com
K'NEX · plastic · vehicles
$50.00
K'nex Discovery Series 1 Construction Set 1996
Etsy
6
$50.00
K'nex Discovery Series 1 Construction Set 1996
Etsy
6
$29.40
$49.00
Knex Super Structures Sealed 50 Model Building Set 466 Pieces 8+ 2006
eBay
Free shipping
40% off
$29.40
$49.00
Knex Super Structures Sealed 50 Model Building Set 466 Pieces 8+ 2006
eBay
Free shipping
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    Shop K'NEX Designs

    Sponsored
    $437.65
    K'nex - Thrill Rides 6-Foot Ferris Wheel STEM Building, Creative Construction Set Ages 16+
    Amazon.com
    Free shipping
    Easy-to-follow instructions · K'NEX · plastic
    $437.65
    K'nex - Thrill Rides 6-Foot Ferris Wheel STEM Building, Creative Construction Set Ages 16+
    Amazon.com
    Easy-to-follow instructions · K'NEX · plastic
    $19.99
    Motorized Creations K'nex Building Set
    Hobby Lobby
    44
    $19.99
    Motorized Creations K'nex Building Set
    Hobby Lobby
    44
    $31.24
    $43.00
    K'nex Education Stem Explorations: Roller Coaster Building Set 546 Pieces Ages 8+ Construction Education Toy
    Walmart
    11
    27% off
    $31.24
    $43.00
    K'nex Education Stem Explorations: Roller Coaster Building Set 546 Pieces Ages 8+ Construction Education Toy
    Walmart
    11
    $50.75
    KID KNEX - Oodles Of Pals Building Set - 116 Pieces - Ages 3 And Up Preschool Educational Toy (Amazon Exclusive)
    Amazon.com
    Free shipping
    $50.75
    KID KNEX - Oodles Of Pals Building Set - 116 Pieces - Ages 3 And Up Preschool Educational Toy (Amazon Exclusive)
    Amazon.com
    Free shipping
    $47.00
    K'nex - Power & Play Motorized Set 529 Pieces, STEM Building, Kid Construction Set Ages 7+
    Amazon.com
    Free shipping
    $47.00
    K'nex - Power & Play Motorized Set 529 Pieces, STEM Building, Kid Construction Set Ages 7+
    Amazon.com
    Free shipping
    $26.90
    K'nex Education - STEM Explorations: Vehicles Building Set Kid Construction Play, Creative Building Ages 8+
    Amazon.com
    $26.90
    K'nex Education - STEM Explorations: Vehicles Building Set Kid Construction Play, Creative Building Ages 8+
    Amazon.com
    $26.78
    K'nex - Adventure Wheels Building Set - 480 Pieces STEM Building, Creative Construction Set Ages 7+
    Amazon.com
    High-quality Material · K'NEX · plastic
    $26.78
    K'nex - Adventure Wheels Building Set - 480 Pieces STEM Building, Creative Construction Set Ages 7+
    Amazon.com
    High-quality Material · K'NEX · plastic
    $125.00
    K'nex Ferris Wheel -
    eBay
    Free shipping
    $125.00
    K'nex Ferris Wheel -
    eBay
    Free shipping
    $47.99
    K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
    Amazon.com
    1K+
    Free shipping
    $47.99
    K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
    Amazon.com
    1K+
    $35.16
    K'nex - Click & Construct Value Building Set - 522 Pieces, STEM Building, Creative Play Set Ages 7+
    Amazon.com
    Free shipping
    $35.16
    K'nex - Click & Construct Value Building Set - 522 Pieces, STEM Building, Creative Play Set Ages 7+
    Amazon.com
    Free shipping
    $299.99
    Knex Knex Screaming Serpent 2 Models Motorized Roller Coaster Very
    eBay
    Free shipping
    $299.99
    Knex Knex Screaming Serpent 2 Models Motorized Roller Coaster Very
    eBay
    Free shipping
    $92.99
    $123.99
    KNEX K'nex STEM Explorations Building Bundle | Rubber
    School Specialty
    25% off
    $92.99
    $123.99
    KNEX K'nex STEM Explorations Building Bundle | Rubber
    School Specialty
    $32.67
    KID K'nex - Budding Builders Set 100 Pieces, Preschool STEM Building, Kid Construction Set, Creative Play Ages 3+
    Amazon.com
    High-quality Material · K'NEX · plastic
    $32.67
    KID K'nex - Budding Builders Set 100 Pieces, Preschool STEM Building, Kid Construction Set, Creative Play Ages 3+
    Amazon.com
    High-quality Material · K'NEX · plastic
    $699.00
    K'nex Thrill Rides 6-Foot Ferris Wheel 89790
    eBay
    $699.00
    K'nex Thrill Rides 6-Foot Ferris Wheel 89790
    eBay
    $339.00
    K'nex Big Ball Factory Complete Set W Box, Instructions & Dc Electric
    eBay
    Free shipping
    $339.00
    K'nex Big Ball Factory Complete Set W Box, Instructions & Dc Electric
    eBay
    Free shipping
    $39.85
    $43.99
    K'nex Cyber-X C5 Neostrike
    Toy Street GMC
    45
    14-day returns (most items)
    $39.85
    $43.99
    K'nex Cyber-X C5 Neostrike
    Toy Street GMC
    45
    $29.75
    $35.00
    Vintage Kid K'nex Building Set, 100 Piece Set
    Etsy
    Free shipping
    Used
    15% off
    $29.75
    $35.00
    Vintage Kid K'nex Building Set, 100 Piece Set
    Etsy
    Free shipping
    $73.43
    $86.29
    K'nex Education Intro To Structures Building Set - Bridges From S&S Worldwide
    S&S Worldwide
    14% off
    $73.43
    $86.29
    K'nex Education Intro To Structures Building Set - Bridges From S&S Worldwide
    S&S Worldwide

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