KNex

KNex

Rod-and-connector building systems for dynamic, moving structures.

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KNex Technology & Engineering K'Nex - 4WD Demolition Truck Building Set
KNex Technology & Engineering K'Nex - 4WD Demolition Truck Building Set

K'Nex - 4WD Demolition Truck Building Set

  • KNex
$39.75 $49.95
KNex Model Building K'NEX - Dino Dudes Building Set
KNex Model Building K'NEX - Dino Dudes Building Set

K'NEX - Dino Dudes Building Set

  • KNex
$108.30
KNex Model Building K'NEX - Budding Builders Value Set
KNex Model Building K'NEX - Budding Builders Value Set

K'NEX - Budding Builders Value Set

  • KNex
$84.84
KNex Model Building K'Nex - Kid K'NEX Zoo Friends
KNex Model Building K'Nex - Kid K'NEX Zoo Friends

K'Nex - Kid K'NEX Zoo Friends

  • KNex
$39.59 $51.95
KNex Model Building Knex Rad Rides 12 N 1 Building Set
KNex Model Building Knex Rad Rides 12 N 1 Building Set

Rad Rides 12 N 1 Building Set

  • KNex
$29.90 $36.95
KNex Model Building KNex 3 N 1 Amusement Park
KNex Model Building KNex 3 N 1 Amusement Park

3 N 1 Amusement Park

  • KNex
$117.11 $181.95
KNex Model Building Knex Classic Constructions 70 Model Building Set
KNex Model Building Knex Classic Constructions 70 Model Building Set

Classic Constructions 70 Model Building Set

  • KNex
$59 $99.95
KNex Model Building Knex Power and Play 50 Model Motorized Building Set
KNex Model Building Knex Power and Play 50 Model Motorized Building Set

Power and Play 50 Model Motorized Building Set

  • KNex
$82.52 $139.95
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KNex Model Building knex - Safari Mates Building Set

Safari Mates Building Set

  • KNex
$20 $33.95
KNex Model Building knex - Wings & Wheels Building Set

Wings & Wheels Building Set

  • KNex
$46.62 $72.16
KNex Model Building knex - Mega Motorcycle Building Set
KNex Model Building knex - Mega Motorcycle Building Set

Mega Motorcycle Building Set

  • KNex
$36.51 $51.95
KNex Model Building knex - Click & Construct Value Building Set Boxed

Click & Construct Value Building Set Boxed

  • KNex
$37.94 $48.95
KNex Model Building knex - Bunch of Builds Building Set
KNex Model Building knex - Bunch of Builds Building Set

Bunch of Builds Building Set

  • KNex
$28.75 $40.95
KNex Model Building K’NEX – T Rex Fury Roller Coaster Building Set
KNex Model Building K’NEX – T Rex Fury Roller Coaster Building Set

K’NEX – T Rex Fury Roller Coaster Building Set

  • KNex
$59.10 $94.95
KNex Model Building knex - Table Top Thrills - Amusement Park in a Box
KNex Model Building knex - Table Top Thrills - Amusement Park in a Box

Table Top Thrills - Amusement Park in a Box

  • KNex
$106.98 $110.95
KNex Model Building knex - Rockin' Robots Building Set
KNex Model Building knex - Rockin' Robots Building Set

Rockin' Robots Building Set

  • KNex
$38.89 $53.95
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what customers are saying about KNex

4.74 ★ (313)
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Our educators thoughts on the KNex range

We stock KNex because it teaches engineering through triangulation. Unlike stacking bricks, KNex relies on rods and connectors to build open, skeletal structures. This forces children to understand structural integrity—they quickly learn that triangles are strong and squares can be wobbly. It is a hands-on lesson in architectural physics.

The flexibility of the pieces allows for dynamic movement. KNex models can bend, flex, and incorporate gears and motors more naturally than rigid block systems. We see children building working roller coasters, Ferris wheels, and suspension bridges. This transition from static models to moving machines is a huge developmental leap.

The system also scales complexity effectively. A child can start with simple 2D flat shapes and progress to complex 3D mechanical structures using the same pieces. This longevity makes it a valuable tool for developing spatial reasoning and fine motor strength over many years.

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