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$58.95
$76.99
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
1K+
Free shipping
23% off
$58.95
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K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
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KNEX Education - Intro To Structures: Bridges Set - 207 Pieces - For Grades 3-5 Construction Education Toy
Amazon.com
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KNEX Education - Intro To Structures: Bridges Set - 207 Pieces - For Grades 3-5 Construction Education Toy
Amazon.com
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K'nex - Adventure Wheels Building Set - 480 Pieces STEM Building, Creative Construction Set Ages 7+
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K'nex - Adventure Wheels Building Set - 480 Pieces STEM Building, Creative Construction Set Ages 7+
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K'nex - Click & Construct Value Building Set - 522 Pieces, STEM Building, Creative Play Set Ages 7+
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K'nex - Click & Construct Value Building Set - 522 Pieces, STEM Building, Creative Play Set Ages 7+
Amazon.com
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KID K'nex - Build A Bunch Set 66 Pieces, Preschool STEM Building, Kid Construction Set, Creative Play Ages 3+
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KID K'nex - Build A Bunch Set 66 Pieces, Preschool STEM Building, Kid Construction Set, Creative Play Ages 3+
Amazon.com
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K'nexosaurus Rex K'nex Building Set
Hobby Lobby
167
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K'nexosaurus Rex K'nex Building Set
Hobby Lobby
167
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K'nex - Power & Play Motorized Set 529 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
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K'nex - Power & Play Motorized Set 529 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
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$25.29
KNEX K'nex STEM Explorations Gears Building Set, Set Of 143 Pieces | Elementary-Middle School | Kids
School Specialty
504
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KNEX K'nex STEM Explorations Gears Building Set, Set Of 143 Pieces | Elementary-Middle School | Kids
School Specialty
504
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KNEX K'nex Imagine Creation Zone Building Set, 417 Pieces | Elementary-Middle School | Kids
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KNEX K'nex Imagine Creation Zone Building Set, 417 Pieces | Elementary-Middle School | Kids
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KNEX K'nex STEM Explorations Levers And Pulleys Building Set, Set Of 139 Pieces | Elementary-Middle School | Kids
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KNEX K'nex STEM Explorations Levers And Pulleys Building Set, Set Of 139 Pieces | Elementary-Middle School | Kids
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KNEX K'nex STEM Explorations Roller Coaster Building Set Of 500 Pieces | Elementary-Middle School | Kids
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KNEX K'nex STEM Explorations Roller Coaster Building Set Of 500 Pieces | Elementary-Middle School | Kids
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KNEX K'nex STEM Building Bundle Set
School Specialty
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KNEX K'nex STEM Building Bundle Set
School Specialty
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K'nex Building Set - Beginner 40 Model Building Set - STEM Toys - Kid's Building Toys
Kaplan Early Learning Company
Great price · K'NEX · Keeps kids entertained · Perfect for Gifting
$27.95
K'nex Building Set - Beginner 40 Model Building Set - STEM Toys - Kid's Building Toys
Kaplan Early Learning Company
Great price · K'NEX · Keeps kids entertained · Perfect for Gifting
$59.99
$79.99
KNEX K'nex STEM Explorations Building Bundle | Rubber
School Specialty
25% off
$59.99
$79.99
KNEX K'nex STEM Explorations Building Bundle | Rubber
School Specialty
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K'nex 325 Pcs Building Brick Set Lots Of Value Tub Kids Toy Age 7+
eBay
$24.99
K'nex 325 Pcs Building Brick Set Lots Of Value Tub Kids Toy Age 7+
eBay
$45.97
$61.29
KNEX K'nex Intro To Structures, Bridges Set Of 207 Pieces | Grades 3-5 | Kids
School Specialty
24% off
$45.97
$61.29
KNEX K'nex Intro To Structures, Bridges Set Of 207 Pieces | Grades 3-5 | Kids
School Specialty
$59.99
K'nex Lincoln Logs 111-Piece Set 100th Anniversary Tin For Kids
Cabela's
In store
$59.99
K'nex Lincoln Logs 111-Piece Set 100th Anniversary Tin For Kids
Cabela's
$24.99
$44.99
Gobidex 1in Magnetic Blocks, 100PCS Building Toys Game-Based Build Magwonder Cave World With Magnet Construction Toys STEM Sensory Gift For Boys Girls
Amazon.com
147
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$24.99
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Gobidex 1in Magnetic Blocks, 100PCS Building Toys Game-Based Build Magwonder Cave World With Magnet Construction Toys STEM Sensory Gift For Boys Girls
Amazon.com
147
$43.73
K'nex Budding Builders Tub Building Set Toy Plastic 100 Pc
Max Warehouse
$43.73
K'nex Budding Builders Tub Building Set Toy Plastic 100 Pc
Max Warehouse
$44.99
K'nex Budding Builders Tub Building Set Toy 100 Pc
Ace Hardware
$44.99
K'nex Budding Builders Tub Building Set Toy 100 Pc
Ace Hardware
$90.95
Kid K'nex Education Set With 131 Pieces - Kid's Building Toys
Kaplan Early Learning Company
$90.95
Kid K'nex Education Set With 131 Pieces - Kid's Building Toys
Kaplan Early Learning Company
$149.99
$176.25
Kid K'nex Education Classroom Collection STEM Building Set From S&S Worldwide
S&S Worldwide
Free shipping
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$149.99
$176.25
Kid K'nex Education Classroom Collection STEM Building Set From S&S Worldwide
S&S Worldwide
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$73.19
KNEX Imagine: 100 Model Building Set 863 Pieces, Stem Learning Creative Co. K'nex. Multicolor. Building Toy Complete Sets & Packs. 744476126054.
eBay
Free shipping
$73.19
KNEX Imagine: 100 Model Building Set 863 Pieces, Stem Learning Creative Co. K'nex. Multicolor. Building Toy Complete Sets & Packs. 744476126054.
eBay
Free shipping
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    Shop K'NEX Building Blocks

    Sponsored
    About our ads
    $58.95
    $76.99
    K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
    Amazon.com
    1K+
    Free shipping
    23% off
    $58.95
    $76.99
    K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
    Amazon.com
    1K+
    $35.75
    KNEX Education - Intro To Structures: Bridges Set - 207 Pieces - For Grades 3-5 Construction Education Toy
    Amazon.com
    874
    Free shipping
    $35.75
    KNEX Education - Intro To Structures: Bridges Set - 207 Pieces - For Grades 3-5 Construction Education Toy
    Amazon.com
    874
    $30.79
    $44.99
    K'nex - Adventure Wheels Building Set - 480 Pieces STEM Building, Creative Construction Set Ages 7+
    Amazon.com
    5K+
    31% off
    $30.79
    $44.99
    K'nex - Adventure Wheels Building Set - 480 Pieces STEM Building, Creative Construction Set Ages 7+
    Amazon.com
    5K+
    $38.12
    K'nex - Click & Construct Value Building Set - 522 Pieces, STEM Building, Creative Play Set Ages 7+
    Amazon.com
    2K+
    Free shipping
    $38.12
    K'nex - Click & Construct Value Building Set - 522 Pieces, STEM Building, Creative Play Set Ages 7+
    Amazon.com
    2K+
    $18.84
    KID K'nex - Build A Bunch Set 66 Pieces, Preschool STEM Building, Kid Construction Set, Creative Play Ages 3+
    Amazon.com
    1K+
    $18.84
    KID K'nex - Build A Bunch Set 66 Pieces, Preschool STEM Building, Kid Construction Set, Creative Play Ages 3+
    Amazon.com
    1K+
    $24.99
    K'nexosaurus Rex K'nex Building Set
    Hobby Lobby
    167
    $24.99
    K'nexosaurus Rex K'nex Building Set
    Hobby Lobby
    167
    $48.79
    K'nex - Power & Play Motorized Set 529 Pieces, STEM Building, Kid Construction Set Ages 7+
    Amazon.com
    2K+
    Free shipping
    $48.79
    K'nex - Power & Play Motorized Set 529 Pieces, STEM Building, Kid Construction Set Ages 7+
    Amazon.com
    2K+
    $18.97
    $25.29
    KNEX K'nex STEM Explorations Gears Building Set, Set Of 143 Pieces | Elementary-Middle School | Kids
    School Specialty
    504
    24% off
    $18.97
    $25.29
    KNEX K'nex STEM Explorations Gears Building Set, Set Of 143 Pieces | Elementary-Middle School | Kids
    School Specialty
    504
    $29.99
    $39.99
    KNEX K'nex Imagine Creation Zone Building Set, 417 Pieces | Elementary-Middle School | Kids
    School Specialty
    57
    25% off
    $29.99
    $39.99
    KNEX K'nex Imagine Creation Zone Building Set, 417 Pieces | Elementary-Middle School | Kids
    School Specialty
    57
    $18.97
    $25.29
    KNEX K'nex STEM Explorations Levers And Pulleys Building Set, Set Of 139 Pieces | Elementary-Middle School | Kids
    School Specialty
    1
    24% off
    $18.97
    $25.29
    KNEX K'nex STEM Explorations Levers And Pulleys Building Set, Set Of 139 Pieces | Elementary-Middle School | Kids
    School Specialty
    1
    $47.02
    $62.69
    KNEX K'nex STEM Explorations Roller Coaster Building Set Of 500 Pieces | Elementary-Middle School | Kids
    School Specialty
    2K+
    24% off
    $47.02
    $62.69
    KNEX K'nex STEM Explorations Roller Coaster Building Set Of 500 Pieces | Elementary-Middle School | Kids
    School Specialty
    2K+
    $123.52
    $164.69
    KNEX K'nex STEM Building Bundle Set
    School Specialty
    24% off
    $123.52
    $164.69
    KNEX K'nex STEM Building Bundle Set
    School Specialty
    $27.95
    K'nex Building Set - Beginner 40 Model Building Set - STEM Toys - Kid's Building Toys
    Kaplan Early Learning Company
    Great price · K'NEX · Keeps kids entertained · Perfect for Gifting
    $27.95
    K'nex Building Set - Beginner 40 Model Building Set - STEM Toys - Kid's Building Toys
    Kaplan Early Learning Company
    Great price · K'NEX · Keeps kids entertained · Perfect for Gifting
    $59.99
    $79.99
    KNEX K'nex STEM Explorations Building Bundle | Rubber
    School Specialty
    25% off
    $59.99
    $79.99
    KNEX K'nex STEM Explorations Building Bundle | Rubber
    School Specialty
    $24.99
    K'nex 325 Pcs Building Brick Set Lots Of Value Tub Kids Toy Age 7+
    eBay
    $24.99
    K'nex 325 Pcs Building Brick Set Lots Of Value Tub Kids Toy Age 7+
    eBay
    $45.97
    $61.29
    KNEX K'nex Intro To Structures, Bridges Set Of 207 Pieces | Grades 3-5 | Kids
    School Specialty
    24% off
    $45.97
    $61.29
    KNEX K'nex Intro To Structures, Bridges Set Of 207 Pieces | Grades 3-5 | Kids
    School Specialty
    $59.99
    K'nex Lincoln Logs 111-Piece Set 100th Anniversary Tin For Kids
    Cabela's
    In store
    13K+
    $59.99
    K'nex Lincoln Logs 111-Piece Set 100th Anniversary Tin For Kids
    Cabela's
    13K+
    $24.99
    $44.99
    Gobidex 1in Magnetic Blocks, 100PCS Building Toys Game-Based Build Magwonder Cave World With Magnet Construction Toys STEM Sensory Gift For Boys Girls
    Amazon.com
    147
    44% off
    $24.99
    $44.99
    Gobidex 1in Magnetic Blocks, 100PCS Building Toys Game-Based Build Magwonder Cave World With Magnet Construction Toys STEM Sensory Gift For Boys Girls
    Amazon.com
    147