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Discontinued
Not in stock

K'NEX Space top

£0.10

Ref: 99087

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K'NEX Spacer Blue

£0.02

Ref: 90994
In stock (99924 units)

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K'NEX Spacer Silver

£0.08

Ref: 91224
In stock (64 units)

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K'NEX Spacer small Light grey

£0.03

Ref: 91994
In stock (369 units)

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Discontinued
Not in stock

K'NEX Special panel large Yellow

£0.01

Ref: 99013

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Discontinued
Not in stock

K'NEX Spider connector Blue

£0.01

Ref: 99028

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Discontinued
Not in stock

K'NEX Spinner stem Yellow

£0.45

Ref: 90992

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Discontinued
Not in stock

K'NEX Spoiler

£0.01

Ref: 20131

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Discontinued
Not in stock

K'NEX Sports Stadium kit

£29.95

Ref: 60073

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Discontinued
Not in stock

K'NEX Spring-loaded shock absorber

£1.95

Ref: 99120

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K'NEX Sprocket gear Black

£0.95

5% off for 8+ gears of any type
Ref: 517900
Very low stock (2 units)

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Discontinued
Not in stock

K'NEX Square Panel large Black

£1.45

Ref: 91090

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Discontinued
Not in stock

K'NEX Square Panel large Blue

£1.95

Ref: 91091

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Discontinued
Not in stock

K'NEX Square Panel large Orange

£1.45

Ref: 91093

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Discontinued
Not in stock

K'NEX Square Panel medium Black

£1.00

Ref: 91080

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Discontinued
Not in stock

K'NEX Square Panel medium Brown

£0.95

Ref: 91089

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Discontinued
Not in stock

K'NEX Square Panel mini Black

£0.49

Ref: 91060

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Discontinued
Not in stock

K'NEX Square Panel mini Fluorescent blue

£0.49

Ref: 91068

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Discontinued
Not in stock

K'NEX Square Panel mini Silver

£0.59

Ref: 91064

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K'NEX Square Panel small Black

£0.26

Ref: 91070
In stock (618 units)

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Discontinued
Not in stock

K'NEX Square Panel small Fluorescent blue

£0.66

Ref: 91078

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Discontinued
Not in stock

K'NEX Square Panel small Green

£0.66

Ref: 91076

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Discontinued
Not in stock

K'NEX Square Panel small Red

£0.26

Ref: 91072

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Discontinued
Not in stock

K'NEX Square Panel small Silver

£0.75

Ref: 91074

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Discontinued
Not in stock

K'NEX Star Shooter Coaster

£19.99

Ref: 13408

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K'NEX Starter kit

£1.99

Ref: 60040
In stock (8 units)

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Discontinued
Not in stock

K'NEX Steel rod 202mm (usage unknown) (8in.)

£9.95

Ref: 93008SHORT

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Not in stock

K'NEX Steel rod 393mm for 6ft Ferris Wheel (15.47in.)

£25.95

Ref: 93008

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Discontinued
Not in stock

K'NEX Steering Wheel Yellow

£0.45

Ref: 20621

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Discontinued
Not in stock

K'NEX STEM Exploration pack

£186.75

Ref: 79117PK

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Available to order
Not in stock

K'NEX STEM Explorations Gears building set

£8.57

4 sets per carton
Ref: 79318

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Available to order
Not in stock

K'NEX STEM Explorations Levers and Pulleys building set

£8.57

4 sets per carton
Ref: 79319

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Available to order
Not in stock

K'NEX STEM Explorations Roller coaster set

£25.00

2 sets per carton
Ref: 77078

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Available to order
Not in stock

K'NEX STEM Explorations Swing ride set

£21.43

2 sets per carton
Ref: 77077

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Available to order
Not in stock

K'NEX STEM Explorations Vehicles building set

£17.86

2 sets per carton
Ref: 79320

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Discontinued
Not in stock

K'NEX Stomp Rocket Launcher Assembly

£1.00

Ref: 3195001

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Discontinued
Not in stock

K'NEX String Black 1m (39in.)

£0.09

Ref: 92004

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K'NEX String White 1.8m (72in.)

£0.08

Ref: 92003
Very low stock (3 units)

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Discontinued
Not in stock

K'NEX Stub axle Grey

£0.25

Ref: 91620

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Discontinued
Not in stock

K'NEX Suction cup for Pirate ship

£0.01

Ref: 99051

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Discontinued
Not in stock

K'NEX Super Cyclone Coaster

£25.94

Ref: 71945

View details
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Discontinued
Not in stock

K'NEX Super value 521pc tub

£19.99

Ref: 12575

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Discontinued
Not in stock

K'NEX Supernova Blast coaster

£46.67

Ref: 51437

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Discontinued
Not in stock

K'NEX Supersonic Swirl building set

£19.99

Ref: 13410

View details
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Discontinued
Not in stock

K'NEX Syringe

£2.00

Ref: 99280

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Discontinued
Not in stock

K'NEX Syringe tubing

£2.00

Ref: 99281

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Discontinued
Not in stock

K'NEX tethered motor (no battery box)

£3.95

Ref: 92875M

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Discontinued
Not in stock

K'NEX Theme Park Ride kit

£15.95

Ref: 60063

View details
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Discontinued
Not in stock

K'NEX Thunderbolt Strike coaster

£80.00

Ref: 51587

View details
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Discontinued
Not in stock

K'NEX Tongue/Missile

£0.15

Ref: 99101

View details

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For K'NEX enthusiasts worldwide

K'NEX User Group

The K'NEX User Group was launched in 2004 to support users of the K'NEX construction kit, at home, in school and in other educational settings.

All users of K'NEX, anywhere in the world, are very welcome to use our online K'NEX Parts shop, our K'NEX sets catalogue, and our free resources, which include models to build, challenges, handy hints and free downloads.

We stock more than 1 million new K'NEX parts, and since 2018 we have been the number one supplier of genuine, new K'NEX parts worldwide.

Website last updated 3 October 2025.

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