For Sale UK

K nex sets

4

K nex sets for sale on Ireland's largest auction and classifieds sites

Home / Construction & Building Toys / K nex sets refurbished & used for sale | For Sale UK
Nex trains planes and - trains,

Nex trains planes and - trains,

£25.99 · Buy It Now

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Nex job lot bundle - job,

Nex job lot bundle - job,

£83.90 · Buy It Now

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Nex building set 417 - set,

Nex building set 417 - set,

£32.99 · Buy It Now

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Nex big ball - k'nex, factory

Nex big ball - k'nex, factory

£333.10 · Buy It Now

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Nex 1 classic amusement - k'nex,

Nex 1 classic amusement - k'nex,

£7.54 · Buy It Now

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Nex large blue box - large,

Nex large blue box - large,

£8.00 · Buy It Now

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Nex imagine classic - imagine,

Nex imagine classic - imagine,

£7.99 · Buy It Now

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Vintage 1990s nex - vintage, k’nex

Vintage 1990s nex - vintage, k’nex

£21.14 · Buy It Now

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Nex stem education swing - k'nex,

Nex stem education swing - k'nex,

£19.99 · Buy It Now

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1995 nex building set with - k'nex,

1995 nex building set with - k'nex,

£37.10 · Buy It Now

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Nex cyber ultra - cyber, set

Nex cyber ultra - cyber, set

£25.00 · Buy It Now

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Nex classics building sets - k'nex,

Nex classics building sets - k'nex,

£5.98 · 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 vertical vengeance - k'nex,

Nex vertical vengeance - k'nex,

£124.95 · Buy It Now

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Nex super swing 4 - swing, #4

Nex super swing 4 - swing, #4

£5.45 · Buy It Now

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Nex imagine 25525 cars - k'nex,

Nex imagine 25525 cars - k'nex,

£10.80 · Buy It Now

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Nex vintage construction - construction, set

Nex vintage construction - construction, set

£6.52 · Buy It Now

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Knex nex set - knex, /

Knex nex set - knex, /

£5.00 · Buy It Now

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Nex budding builders - budding,

Nex budding builders - budding,

£5.45 · Buy It Now

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Nex rad rides building - rides, set

Nex rad rides building - rides, set

£1.17 · Buy It Now

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Large case extras 1992 - large,

Large case extras 1992 - large,

£15.00 · Buy It Now

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Nex swing ride set - set,

Nex swing ride set - set,

£9.99 · Buy It Now

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Nex roller coaster building - coaster,

Nex roller coaster building - coaster,

£70.00 · Buy It Now

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Nex mixed bundle - k'nex, job

Nex mixed bundle - k'nex, job

£21.49 · Buy It Now

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Nex construction set with - k-nex,

Nex construction set with - k-nex,

£10.80 · Buy It Now

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Nex power and play motorized - and,

Nex power and play motorized - and,

£14.99 · Buy It Now

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Kid knex nex boxed complete - knex,

Kid knex nex boxed complete - knex,

£17.50 · Buy It Now

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Nex imagine 4wd demolition - k'nex,

Nex imagine 4wd demolition - k'nex,

£10.00 · Buy It Now

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Nex big ball factory - k'nex,

Nex big ball factory - k'nex,

£87.84 · Buy It Now

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Vintage knex bundle - vintage, lot

Vintage knex bundle - vintage, lot

£63.10 · Buy It Now

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Knex architecture london eye - architecture,

Knex architecture london eye - architecture,

£34.50 · Buy It Now

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Nex fun fast vehicles - fun,

Nex fun fast vehicles - fun,

£13.88 · Buy It Now

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Nex 150 piece bundle - piece,

Nex 150 piece bundle - piece,

£5.02 · Buy It Now

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Nex rad rides set - k'nex,

Nex rad rides set - k'nex,

£11.99 · Buy It Now

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Vintage nex large blue - k’nex*large,

Vintage nex large blue - k’nex*large,

£12.93 · Buy It Now

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Nex rex fury - t, roller

Nex rex fury - t, roller

£8.65 · Buy It Now

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Nex model building set - building,

Nex model building set - building,

£10.00 · Buy It Now

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Nex imagine model - k'nex, 50

Nex imagine model - k'nex, 50

£4.38 · Buy It Now

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Nex creation zone 417 - k'nex,

Nex creation zone 417 - k'nex,

£8.66 · Buy It Now

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Nex musical ferris wheel - musical,

Nex musical ferris wheel - musical,

£31.90 · Buy It Now

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Nex set 45015 - k'nex, 807

Nex set 45015 - k'nex, 807

£26.70 · Buy It Now

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Nex multi generic set - multi,

Nex multi generic set - multi,

£18.00 · Buy It Now

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Vintage nex case and - k'nex, pieces

Vintage nex case and - k'nex, pieces

£12.94 · 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 imagine 4wd demolition - 4wd,

Nex imagine 4wd demolition - 4wd,

£11.25 · Buy It Now

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Nex bundle - k'nex,

Nex bundle - k'nex,

£16.15 · Buy It Now

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Nex knex vintage hyperspace - vintage,

Nex knex vintage hyperspace - vintage,

£179.99 · Buy It Now

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Nex imagine creation zone - imagine, 50

Nex imagine creation zone - imagine, 50

£6.49 · Buy It Now

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Nex trucks racer - k'nex, racer,

Nex trucks racer - k'nex, racer,

£21.49 · Buy It Now

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Nex 38001 71695 - k'nex, 38001/71695

Nex 38001 71695 - k'nex, 38001/71695

£10.80 · Buy It Now

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Nex 382 piece imagination - k'nex,

Nex 382 piece imagination - k'nex,

£6.84 · Buy It Now

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Nex intro vehicle toy - intro,

Nex intro vehicle toy - intro,

£8.24 · Buy It Now

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Nex education intro - k'nex,

Nex education intro - k'nex,

£10.79 · Buy It Now

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Knex joblot with - with, manuel's

Knex joblot with - with, manuel's

£13.99 · Buy It Now

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Nex creator 42001 - ,

Nex creator 42001 - ,

£4.38 · Buy It Now

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Nex set 45015 - k'nex, 807

Nex set 45015 - k'nex, 807

£18.95 · Buy It Now

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Kid nex build bunch - build, a

Kid nex build bunch - build, a

£12.94 · Buy It Now

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Nex bundle set - k'nex,

Nex bundle set - k'nex,

£14.99 · Buy It Now

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Basic nex building - basic,

Basic nex building - basic,

£12.94 · Buy It Now

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Nex beginner model - beginner,

Nex beginner model - beginner,

£24.99 · Buy It Now

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Nex case bits - k'nex,

Nex case bits - k'nex,

£6.51 · Buy It Now

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Nex imagine bunch builds - of,

Nex imagine bunch builds - of,

£12.99 · Buy It Now

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Nex storm mountain glow - k'nex,

Nex storm mountain glow - k'nex,

£49.99 · Buy It Now

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Nex wheel drive truck - wheel,

Nex wheel drive truck - wheel,

£13.49 · Buy It Now

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Nex amazin motorised - k'nex, 8

Nex amazin motorised - k'nex, 8

£19.99 · Buy It Now

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Nex krakens revenge roller - krakens,

Nex krakens revenge roller - krakens,

£10.80 · Buy It Now

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Stem learning building set - learning,

Stem learning building set - learning,

£17.99 · Buy It Now

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Nex musical ferris wheel - ferris,

Nex musical ferris wheel - ferris,

£40.00 · Buy It Now

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Nex mario kart wii - wii,

Nex mario kart wii - wii,

£10.79 · Buy It Now

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Nex set 43010 complete and - k'nex,

Nex set 43010 complete and - k'nex,

£5.77 · Buy It Now

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Nex roller coaster - k'nex, building

Nex roller coaster - k'nex, building

£48.99 · Buy It Now

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Nex bundle job lot k - lot, in

Nex bundle job lot k - lot, in

£19.36 · Buy It Now

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Nex cyborg creatures - creatures, 196

Nex cyborg creatures - creatures, 196

£13.96 · Buy It Now

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Nex building set 12420 - k’nex,

Nex building set 12420 - k’nex,

£14.99 · Buy It Now

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Kid nex knex furry - k'nex,

Kid nex knex furry - k'nex,

£8.25 · Buy It Now

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Nex construction - k’nex,

Nex construction - k’nex,

£6.50 · Buy It Now

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Nex model building set - 10,

Nex model building set - 10,

£16.15 · 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 imagine fast vehicles - imagine,

Nex imagine fast vehicles - imagine,

£4.99 · Buy It Now

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Nex jumbo jet building set - k'nex,

Nex jumbo jet building set - k'nex,

£11.99 · Buy It Now

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Nex classics motorized - classics,

Nex classics motorized - classics,

£28.99 · Buy It Now

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Vintage nex sets 1996 - vintage,

Vintage nex sets 1996 - vintage,

£21.49 · Buy It Now

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Nex architecture empire - k’nex,

Nex architecture empire - k’nex,

£47.49 · Buy It Now

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Nex model building set - model,

Nex model building set - model,

£13.59 · Buy It Now

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Nex big ball factory - big,

Nex big ball factory - big,

£120.00 · Buy It Now

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Nex mecha strike roller - strike,

Nex mecha strike roller - strike,

£16.15 · Buy It Now

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Nex job lot mixed - job, bundle

Nex job lot mixed - job, bundle

£6.52 · Buy It Now

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Nex knex large blue box - knex,

Nex knex large blue box - knex,

£20.00 · Buy It Now

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Job lot mixed - 500g, )

Job lot mixed - 500g, )

£8.65 · Buy It Now

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Nex 125 piece beginner - piece,

Nex 125 piece beginner - piece,

£14.99 · Buy It Now

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Nex 30005 starter set - set, 175

Nex 30005 starter set - set, 175

£5.45 · Buy It Now

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100 nex micro chain bundle - 100, k'nex

100 nex micro chain bundle - 100, k'nex

£10.02 · Buy It Now

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Nex building kits stem in - building,

Nex building kits stem in - building,

£16.15 · Buy It Now

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Nex 150 piece bundle - k'nex,

Nex 150 piece bundle - k'nex,

£5.02 · Buy It Now

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Kid nex oodles pals - of,

Kid nex oodles pals - of,

£28.78 · Buy It Now

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Vintage nex job lot - vintage,

Vintage nex job lot - vintage,

£21.50 · Buy It Now

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📊96 listings · from £1.17 · avg £25.04

Browse 96 k nex sets listings currently in our index. Prices range from £1.17 to £333.1, with an average of £25.04. 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 | lattice fence | lego 10185 | lego 10211 | lego 10228 | lego 3221 | lego 42009 | lego 42030 | lego 42043

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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 £1.17, while premium listings can reach £333.1 — giving you a wide budget spread to work with. The average price of £25.04 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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