For Sale UK

K nex sets

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K nex sets for sale on largest auction and classifieds sites

Home / Construction Toys / K nex sets refurbished & used for sale | For Sale UK
Nex sets 430100 12423 in - sets,

Nex sets 430100 12423 in - sets,

£11.33
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Nex wheel drive truck - drive, with

Nex wheel drive truck - drive, with

£16.15
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Nex nexosaurus rex - k'nex, k'nexosaurus

Nex nexosaurus rex - k'nex, k'nexosaurus

£29.99
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Nex building set 417 - k’nex,

Nex building set 417 - k’nex,

£34.66
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Nex basic fun value - value, tub

Nex basic fun value - value, tub

£10.80
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Nex beginner fun - k’nex, fast

Nex beginner fun - k’nex, fast

£6.99
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Nex job lot about - k'nex, 1.5kg

Nex job lot about - k'nex, 1.5kg

£8.66
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Nex thrill rides - rides, roller

Nex thrill rides - rides, roller

£28.81
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Nex trains planes and - planes,

Nex trains planes and - planes,

£25.99
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Nex model building set - ,

Nex model building set - ,

£10.79
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Nex thrill rides - thrill,

Nex thrill rides - thrill,

£16.15
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Nex model building - model, set

Nex model building - model, set

£6.00
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Nex thrill rides ferris - k'nex,

Nex thrill rides ferris - k'nex,

£16.15
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Knex roller coaster typhoon - coaster,

Knex roller coaster typhoon - coaster,

£45.74
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Nex blizzard blast - blast, roller

Nex blizzard blast - blast, roller

£21.50
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Kid nex building - set, tub

Kid nex building - set, tub

£16.15
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Nex creation zone - k'nex,

Nex creation zone - k'nex,

£5.45
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Nex building set models - k’nex, 20

Nex building set models - k’nex, 20

£16.15
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Nex imagine construction - k'nex,

Nex imagine construction - k'nex,

£2.77
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Nex beginner model - k'nex, 40

Nex beginner model - k'nex, 40

£4.38
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Nex box random pieces - box,

Nex box random pieces - box,

£4.17
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Knex nex model - k'nex, 10

Knex nex model - k'nex, 10

£4.99
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Nex 1 classic - k'nex,

Nex 1 classic - k'nex,

£28.78
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Nex beginner fun fast - k’nex,

Nex beginner fun fast - k’nex,

£6.99
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Nex rad rides building - k'nex,

Nex rad rides building - k'nex,

£10.80
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11kg large nex bundle toy - k'nex,

11kg large nex bundle toy - k'nex,

£43.34
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Nex set 12423 - k'nex,

Nex set 12423 - k'nex,

£9.19
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Nex model building set - model, 5

Nex model building set - model, 5

£6.00
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Nex model building sets - 70,

Nex model building sets - 70,

£37.10
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Nex electric inferno roller - electric,

Nex electric inferno roller - electric,

£20.43
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Nex imagine fast - fast, vehicles

Nex imagine fast - fast, vehicles

£8.99
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Nex imagine 100 model - k'nex,

Nex imagine 100 model - k'nex,

£19.99
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Nex yellow carry case full - k'nex,

Nex yellow carry case full - k'nex,

£14.99
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Nex maxima power vehicles - k'nex,

Nex maxima power vehicles - k'nex,

£8.66
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Nex set 34113 275 - set, pieces

Nex set 34113 275 - set, pieces

£8.65
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Nex classics creation - k’nex,

Nex classics creation - k’nex,

£14.00
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Nex box random - k'nex, of

Nex box random - k'nex, of

£6.84
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Nex large storage - k-nex, case

Nex large storage - k-nex, case

£5.00
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Nex fast vehicles building - k’nex,

Nex fast vehicles building - k’nex,

£7.99
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Kid nex oodles pals - kid,

Kid nex oodles pals - kid,

£23.58
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Basic fun kid nex zoo - fun, k'nex

Basic fun kid nex zoo - fun, k'nex

£8.25
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Nex kids carry case - kids,

Nex kids carry case - kids,

£6.51
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Nex imagine model - k'nex, 50

Nex imagine model - k'nex, 50

£4.38
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Kid nex oodles pals - kid, of

Kid nex oodles pals - kid, of

£18.29
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Vintage 1996 nex - 1996, building

Vintage 1996 nex - 1996, building

£16.15
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Nex classics 206 - 206, pc/

Nex classics 206 - 206, pc/

£9.99
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Nex building set 417 pieces - building,

Nex building set 417 pieces - building,

£9.99
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Nex infinite journey - k'nex,

Nex infinite journey - k'nex,

£16.15
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Nex model storage tub - k,

Nex model storage tub - k,

£5.98
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Nex 398 piece set - piece, once

Nex 398 piece set - piece, once

£7.59
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Nex cobweb curse roller - cobweb,

Nex cobweb curse roller - cobweb,

£20.00
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Kid knex bundle 100 - bundle, pieces

Kid knex bundle 100 - bundle, pieces

£10.80
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Nex bulk lot - lot, rods

Nex bulk lot - lot, rods

£7.59
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Massive bundle vintage and - bundle,

Massive bundle vintage and - bundle,

£63.10
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Nex big ball factory - big, boxed

Nex big ball factory - big, boxed

£99.50
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Nex thrill rides in 1 - k'nex,

Nex thrill rides in 1 - k'nex,

£9.19
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Nex classics 206 12 - classics, pc/

Nex classics 206 12 - classics, pc/

£5.45
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Nex wheel drive truck - 4,

Nex wheel drive truck - 4,

£10.80
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Nex creation zone - k'nex,

Nex creation zone - k'nex,

£6.52
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Kid nex stretchin friends - kid, k'nex

Kid nex stretchin friends - kid, k'nex

£4.38
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Vintage nex large - vintage, box

Vintage nex large - vintage, box

£16.15
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Nex 1997 vintage yellow - 1997,

Nex 1997 vintage yellow - 1997,

£21.50
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Nex sets - k’nex,

Nex sets - k’nex,

£10.80
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Nex imagine model fun - imagine,

Nex imagine model fun - imagine,

£2.23
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Nex education intro into - k'nex,

Nex education intro into - k'nex,

£10.80
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Nex cobra coil - cobra's,

Nex cobra coil - cobra's,

£16.14
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Nex fast vehicles building - vehicles,

Nex fast vehicles building - vehicles,

£5.00
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1kg nex bundle bagged - k'nex,

1kg nex bundle bagged - k'nex,

£9.73
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Nex imagine starter vehicle - k'nex,

Nex imagine starter vehicle - k'nex,

£7.49
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Nex big ball factory - ball, boxed

Nex big ball factory - ball, boxed

£69.99
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Nex flying fun - fun, 10

Nex flying fun - fun, 10

£5.45
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Nex family guy collectible - k'nex,

Nex family guy collectible - k'nex,

£68.30
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Large nex storage - large, k-nex

Large nex storage - large, k-nex

£5.00
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Nex imagine classic - k'nex,

Nex imagine classic - k'nex,

£7.99
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Nex imagine model - imagine,

Nex imagine model - imagine,

£16.15
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Set nex mini square - of,

Set nex mini square - of,

£4.91
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Nex model building - k'nex, 3

Nex model building - k'nex, 3

£6.00
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Nex first building - building, 15

Nex first building - building, 15

£4.91
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Nex rad rides 206 piece - k’nex,

Nex rad rides 206 piece - k’nex,

£5.45
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Nex fast vehicles building - k'nex,

Nex fast vehicles building - k'nex,

£6.00
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Nex model building - model,

Nex model building - model,

£13.59
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Nex transport chopper - transport,

Nex transport chopper - transport,

£7.59
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Knex nex amazing - amazing, roller

Knex nex amazing - amazing, roller

£28.95
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Kid nex budding - kid,

Kid nex budding - kid,

£9.19
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Nex build construction - build,

Nex build construction - build,

£8.99
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Nex set models ref 43123 - set,

Nex set models ref 43123 - set,

£20.00
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Kid nex huge bundle - bundle, mixed

Kid nex huge bundle - bundle, mixed

£27.74
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Nex kids suitcase and - suitcase, box

Nex kids suitcase and - suitcase, box

£7.05
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Nex renegade run model - k'nex,

Nex renegade run model - k'nex,

£24.75
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Nex fast vehicles - fast,

Nex fast vehicles - fast,

£5.93
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Vintage sealed boxed nex - sealed,

Vintage sealed boxed nex - sealed,

£20.00
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Nex amazing roller - k'nex,

Nex amazing roller - k'nex,

£16.15
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Large vintage nex - large, bundle

Large vintage nex - large, bundle

£16.15
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Nex vertical vengeance - k'nex,

Nex vertical vengeance - k'nex,

£40.00
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Nex corkscrew canyon - corkscrew,

Nex corkscrew canyon - corkscrew,

£208.69
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Nex thrill rides - thrill, bionic

Nex thrill rides - thrill, bionic

£13.00
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📊96 listings · from £2.23 · avg £18.06
⚠️ These listings were last updated more than 10 days ago. Search for fresh listings

Browse 96 k nex sets listings currently in our index. Prices range from £2.23 to £208.69, with an average of £18.06. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about k nex sets →

Try this: kids excavator | knex roller coaster | knex roller coaster sets | lego 75105 | lego 7662 | lego army sets | lego army tank | lego halo | lego military sets | lego tank treads

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Everything you need to know about k nex sets

Whether you are looking for a brand-new or second-hand k nex sets, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £2.23, while premium listings can reach £208.69 — giving you a wide budget spread to work with. The average price of £18.06 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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