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K nex sets

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K nex sets for sale on largest auction and classifieds sites

Home / Construction & Building Toys / K nex sets refurbished & used for sale | For Sale UK
Nex beginner vehicles 10 - k'nex, beginner:

Nex beginner vehicles 10 - k'nex, beginner:

£9.99 · Buy It Now

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Nex building set 417 - building,

Nex building set 417 - building,

£32.99 · Buy It Now

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Nex vertical vengeance - k'nex,

Nex vertical vengeance - k'nex,

£124.95 · Buy It Now

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Nex beginner fun fast - beginner,

Nex beginner fun fast - beginner,

£6.99 · Buy It Now

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Nex beginner vehicles 10 - beginner:,

Nex beginner vehicles 10 - beginner:,

£5.44 · Buy It Now

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Nex building set with - k’nex,

Nex building set with - k’nex,

£21.50 · Buy It Now

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Nex control crane motorised - control,

Nex control crane motorised - control,

£10.41 · Buy It Now

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Nex trains planes and - trains,

Nex trains planes and - trains,

£25.99 · Buy It Now

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Nex mario kart wii bowser - wii, bowser's

Nex mario kart wii bowser - wii, bowser's

£52.70 · Buy It Now

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Kid nex big building tub - building,

Kid nex big building tub - building,

£8.66 · Buy It Now

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Nex knex bundle parts from - k’nex,

Nex knex bundle parts from - k’nex,

£22.99 · Buy It Now

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Nex beginner builds - k'nex,

Nex beginner builds - k'nex,

£16.15 · Buy It Now

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New nex build - -,

New nex build - -,

£33.00 · Buy It Now

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Nex adventure wheels - k'nex,

Nex adventure wheels - k'nex,

£19.36 · Buy It Now

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Nex build learn roller - build, &

Nex build learn roller - build, &

£40.99 · Buy It Now

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Vintage knex bundle job - knex,

Vintage knex bundle job - knex,

£31.90 · Buy It Now

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Knex big ball - ball, factory

Knex big ball - ball, factory

£80.00 · Buy It Now

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Nex son serpent coaster - son,

Nex son serpent coaster - son,

£5085.70 · Buy It Now

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Kid nex undersea pals - undersea,

Kid nex undersea pals - undersea,

£5.95 · Buy It Now

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Nex set vintage - k'nex,

Nex set vintage - k'nex,

£26.70 · Buy It Now

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Nex bundle used but - bundle,

Nex bundle used but - bundle,

£6.28 · Buy It Now

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Kid nex huge bundle - huge,

Kid nex huge bundle - huge,

£27.74 · Buy It Now

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Nex rad rides in 1 - rides,

Nex rad rides in 1 - rides,

£3.31 · Buy It Now

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Nex classics building sets - building,

Nex classics building sets - building,

£5.98 · Buy It Now

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Large nex bundle - large, k'nex

Large nex bundle - large, k'nex

£22.99 · Buy It Now

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Nex knex model building - 53,

Nex knex model building - 53,

£12.99 · Buy It Now

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Nex roller coaster 63030 - roller,

Nex roller coaster 63030 - roller,

£42.30 · Buy It Now

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Nex bundle model building - k'nex,

Nex bundle model building - k'nex,

£24.99 · Buy It Now

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Nex nexosaurus building - k'nex, k'nexosaurus

Nex nexosaurus building - k'nex, k'nexosaurus

£12.93 · Buy It Now

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Nex budding builders - k'nex,

Nex budding builders - k'nex,

£41.14 · Buy It Now

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Nex twisted lizard roller - twisted,

Nex twisted lizard roller - twisted,

£26.76 · Buy It Now

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Knex electric inferno - inferno, roller

Knex electric inferno - inferno, roller

£21.50 · Buy It Now

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Nex deluxe model building - deluxe,

Nex deluxe model building - deluxe,

£7.05 · Buy It Now

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Nex storm mountain roller - k'nex,

Nex storm mountain roller - k'nex,

£33.98 · Buy It Now

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Nex spare rods - k'nex,

Nex spare rods - k'nex,

£10.99 · Buy It Now

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Nex imagine builder basics - builder,

Nex imagine builder basics - builder,

£8.66 · Buy It Now

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Nex roller coaster - roller,

Nex roller coaster - roller,

£63.10 · Buy It Now

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Nex bundle job lot k - job, in

Nex bundle job lot k - job, in

£15.08 · Buy It Now

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Nex classics motorized - k’nex,

Nex classics motorized - k’nex,

£28.99 · Buy It Now

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Nex beginner model - k'nex, 40

Nex beginner model - k'nex, 40

£24.99 · Buy It Now

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Basic fun nex beginner - fun, k'nex

Basic fun nex beginner - fun, k'nex

£11.05 · Buy It Now

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Nex knex large collection - large,

Nex knex large collection - large,

£13.04 · Buy It Now

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Nex set 4 small - of, wheels

Nex set 4 small - of, wheels

£1.16 · Buy It Now

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Nex gears building set 79318 - building,

Nex gears building set 79318 - building,

£9.99 · Buy It Now

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Nex set 45015 807 - k'nex, pieces

Nex set 45015 807 - k'nex, pieces

£26.70 · Buy It Now

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Nex model building - k'nex, set

Nex model building - k'nex, set

£16.15 · Buy It Now

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Nex imagine 4wd - k'nex, demolition

Nex imagine 4wd - k'nex, demolition

£10.00 · Buy It Now

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Nex rad rides in 1 - rides,

Nex rad rides in 1 - rides,

£4.91 · Buy It Now

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Nex box random pieces - k'nex,

Nex box random pieces - k'nex,

£5.98 · Buy It Now

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Nex imagine build s - k'nex, build's

Nex imagine build s - k'nex, build's

£4.91 · Buy It Now

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100 nex micro chain - 100, k'nex

100 nex micro chain - 100, k'nex

£10.37 · Buy It Now

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Nex transport chopper - k'nex,

Nex transport chopper - k'nex,

£6.52 · Buy It Now

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Nex classics 206 - classics, 12

Nex classics 206 - classics, 12

£9.99 · Buy It Now

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Basic fun kid nex - basic, |

Basic fun kid nex - basic, |

£15.08 · Buy It Now

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Nex building set 12420 - building, 12420-

Nex building set 12420 - building, 12420-

£14.99 · Buy It Now

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Kid nex complete - kid, set

Kid nex complete - kid, set

£9.73 · Buy It Now

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Nex delux 350 - delux, piece

Nex delux 350 - delux, piece

£9.73 · Buy It Now

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Nex force build - k-force, and

Nex force build - k-force, and

£9.73 · Buy It Now

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Nex building set - building,

Nex building set - building,

£21.49 · Buy It Now

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Nex motorised nexosaurus - k'nex, k'nexosaurus

Nex motorised nexosaurus - k'nex, k'nexosaurus

£9.72 · Buy It Now

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Cyber nex ultra 0 - cyber, building

Cyber nex ultra 0 - cyber, building

£36.95 · Buy It Now

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Nex thrill rides roller - k'nex,

Nex thrill rides roller - k'nex,

£35.95 · Buy It Now

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Nex cyborg creatures 196 - cyborg,

Nex cyborg creatures 196 - cyborg,

£12.97 · Buy It Now

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Nex 382 piece - k'nex, imagination

Nex 382 piece - k'nex, imagination

£9.73 · Buy It Now

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Nex cyber ultra set - k'nex,

Nex cyber ultra set - k'nex,

£25.00 · Buy It Now

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Piece nex space - k'nex, shuttle

Piece nex space - k'nex, shuttle

£12.99 · Buy It Now

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Nex metal building - metal,

Nex metal building - metal,

£47.50 · Buy It Now

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Nex imagine model - imagine,

Nex imagine model - imagine,

£4.38 · Buy It Now

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Nex space shuttle 60pc - space,

Nex space shuttle 60pc - space,

£9.99 · Buy It Now

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Nex flying fun set - fun, 10

Nex flying fun set - fun, 10

£7.59 · Buy It Now

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Nex set 43010 - set, complete

Nex set 43010 - set, complete

£5.77 · Buy It Now

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Brand new nex - k'nex, 4

Brand new nex - k'nex, 4

£14.00 · Buy It Now

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Kid nex farming friends - k'nex,

Kid nex farming friends - k'nex,

£22.49 · Buy It Now

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Kid knex nex boxed complete - kid,

Kid knex nex boxed complete - kid,

£17.50 · Buy It Now

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Nex rad rides building set - k'nex,

Nex rad rides building set - k'nex,

£4.38 · Buy It Now

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Nex bundle storage - bundle, 3

Nex bundle storage - bundle, 3

£29.99 · Buy It Now

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Kids nex stretchin friends - kids, k'nex

Kids nex stretchin friends - kids, k'nex

£5.45 · Buy It Now

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Nex street mods - -,

Nex street mods - -,

£7.59 · Buy It Now

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Kid nex build bunch - a,

Kid nex build bunch - a,

£12.94 · Buy It Now

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Nex 85613 safari - k'nex, mates

Nex 85613 safari - k'nex, mates

£9.95 · Buy It Now

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Nex fun fast - vehicles, stem

Nex fun fast - vehicles, stem

£13.88 · Buy It Now

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100 classic nex knex - classic, k'nex

100 classic nex knex - classic, k'nex

£7.59 · Buy It Now

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Kid nex budding builders set - k'nex,

Kid nex budding builders set - k'nex,

£10.79 · Buy It Now

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Nex super mario bros racing - k'nex, bros.

Nex super mario bros racing - k'nex, bros.

£5.45 · Buy It Now

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1995 nex building set - k'nex, with

1995 nex building set - k'nex, with

£30.86 · Buy It Now

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Nex model building - 70,

Nex model building - 70,

£37.10 · Buy It Now

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Nex model fun building - 10,

Nex model fun building - 10,

£4.99 · Buy It Now

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Nex yellow box case - k'nex,

Nex yellow box case - k'nex,

£6.52 · Buy It Now

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Nex rex fury - k'nex, t

Nex rex fury - k'nex, t

£8.65 · Buy It Now

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Nex 100 model - k'nex,

Nex 100 model - k'nex,

£63.10 · Buy It Now

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Nex storage box red - red, with

Nex storage box red - red, with

£2.75 · Buy It Now

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Nex construction set ref - set,

Nex construction set ref - set,

£3.31 · Buy It Now

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Nex gears windmill - k'nex,

Nex gears windmill - k'nex,

£3.84 · Buy It Now

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Nex 863 piece building set - k'nex,

Nex 863 piece building set - k'nex,

£24.00 · Buy It Now

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Kid nex oodles - k'nex,

Kid nex oodles - k'nex,

£28.78 · Buy It Now

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Nex architecture london - k’nex,

Nex architecture london - k’nex,

£37.10 · Buy It Now

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📊96 listings · from £1.16 · avg £72.37
⚠️ These listings were last updated more than 20 days ago. Search for fresh listings

Browse 96 k nex sets listings currently in our index. Prices range from £1.16 to £5085.7, with an average of £72.37. 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: knex roller coaster | knex roller coaster sets | lego army sets | lego army tank | lego battleship | lego fabric | lego military sets | lego soldiers | lego tank treads | lincoln logs

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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 £1.16, while premium listings can reach £5085.7 — giving you a wide budget spread to work with. The average price of £72.37 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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