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K nex sets

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

Nex sets 430100 12423 - k'nex,

£11.33
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Nex wheel drive truck with - k'nex,

Nex wheel drive truck with - k'nex,

£16.15
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Nex nexosaurus rex - k'nex,

Nex nexosaurus rex - k'nex,

£29.99
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Nex building set 417 - set,

Nex building set 417 - set,

£34.66
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Nex basic fun value - fun, tub

Nex basic fun value - fun, tub

£10.80
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Nex beginner fun fast - k’nex,

Nex beginner fun fast - k’nex,

£6.99
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Nex job lot about - ,

Nex job lot about - ,

£8.66
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Nex thrill rides roller - k'nex,

Nex thrill rides roller - k'nex,

£28.81
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Nex trains planes and - k’nex,

Nex trains planes and - k’nex,

£25.99
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Nex model building - 70,

Nex model building - 70,

£10.79
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Nex thrill rides - k'nex, motorised

Nex thrill rides - k'nex, motorised

£16.15
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Nex model building - model, 6

Nex model building - model, 6

£6.00
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Nex thrill rides - thrill,

Nex thrill rides - thrill,

£16.15
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Knex roller coaster typhoon - knex,

Knex roller coaster typhoon - knex,

£45.74
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Nex blizzard blast roller - k'nex,

Nex blizzard blast roller - k'nex,

£21.50
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Kid nex building set tub - kid, k'nex

Kid nex building set tub - kid, k'nex

£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,

Nex beginner model - k'nex,

£4.38
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Nex box random pieces - of,

Nex box random pieces - of,

£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 amusement - 3-in-1,

Nex 1 classic amusement - 3-in-1,

£28.78
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Nex beginner fun fast - beginner,

Nex beginner fun fast - beginner,

£6.99
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Nex rad rides building - k'nex, set

Nex rad rides building - k'nex, set

£10.80
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11kg large nex - k'nex, toy

11kg large nex - k'nex, toy

£43.34
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Nex set 12423 blue - 12423, in

Nex set 12423 blue - 12423, in

£9.19
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Nex model building - model, set

Nex model building - model, set

£6.00
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Nex model building sets - building,

Nex model building sets - building,

£37.10
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Nex electric inferno - electric,

Nex electric inferno - electric,

£20.43
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Nex imagine fast - k'nex,

Nex imagine fast - k'nex,

£8.99
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Nex imagine 100 - imagine, model

Nex imagine 100 - imagine, model

£19.99
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Nex yellow carry case - yellow,

Nex yellow carry case - yellow,

£14.99
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Nex maxima power vehicles - maxima,

Nex maxima power vehicles - maxima,

£8.66
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Nex set 34113 275 pieces - k'nex,

Nex set 34113 275 pieces - k'nex,

£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,

Nex box random - k'nex,

£6.84
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Nex large storage case - k-nex,

Nex large storage case - k-nex,

£5.00
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Nex fast vehicles - fast, building

Nex fast vehicles - fast, building

£7.99
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Kid nex oodles pals - k'nex, of

Kid nex oodles pals - k'nex, of

£23.58
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Basic fun kid nex zoo - basic,

Basic fun kid nex zoo - basic,

£8.25
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Nex kids carry case - k'nex,

Nex kids carry case - k'nex,

£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, pals,

Kid nex oodles pals - kid, pals,

£18.29
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Vintage 1996 nex building - 1996,

Vintage 1996 nex building - 1996,

£16.15
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Nex classics 206 12 - k'nex, pc/

Nex classics 206 12 - k'nex, pc/

£9.99
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Nex building set 417 - building,

Nex building set 417 - building,

£9.99
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Nex infinite journey roller - k'nex,

Nex infinite journey roller - k'nex,

£16.15
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Nex model storage tub - 15,

Nex model storage tub - 15,

£5.98
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Nex 398 piece - k'nex, set-

Nex 398 piece - k'nex, set-

£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 - kid,

Kid knex bundle 100 - kid,

£10.80
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Nex bulk lot assorted - rods, &

Nex bulk lot assorted - rods, &

£7.59
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Massive bundle vintage and - of,

Massive bundle vintage and - of,

£63.10
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Nex big ball factory boxed - k'nex, factory,

Nex big ball factory boxed - k'nex, factory,

£99.50
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Nex thrill rides in 1 - thrill, 3-in-1

Nex thrill rides in 1 - thrill, 3-in-1

£9.19
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Nex classics 206 12 - 206, pc/

Nex classics 206 12 - 206, pc/

£5.45
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Nex wheel drive truck - drive,

Nex wheel drive truck - drive,

£10.80
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Nex creation zone building - creation,

Nex creation zone building - creation,

£6.52
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Kid nex stretchin - kid, k'nex

Kid nex stretchin - kid, k'nex

£4.38
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Vintage nex large box - large,

Vintage nex large box - large,

£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 - k'nex,

Nex imagine model - k'nex,

£2.23
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Nex education intro into - education,

Nex education intro into - education,

£10.80
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Nex cobra coil - k'nex,

Nex cobra coil - k'nex,

£16.14
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Nex fast vehicles - k'nex,

Nex fast vehicles - k'nex,

£5.00
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1kg nex bundle - bundle, mixed

1kg nex bundle - bundle, mixed

£9.73
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Nex imagine starter vehicle - imagine,

Nex imagine starter vehicle - imagine,

£7.49
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Nex big ball - ball, factory,

Nex big ball - ball, factory,

£69.99
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Nex flying fun - flying,

Nex flying fun - flying,

£5.45
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Nex family guy - family, collectible

Nex family guy - family, collectible

£68.30
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Large nex storage case in - large,

Large nex storage case in - large,

£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, 52

Nex imagine model - imagine, 52

£16.15
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Set nex mini square - set, k’nex

Set nex mini square - set, k’nex

£4.91
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Nex model building set - 3,

Nex model building set - 3,

£6.00
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Nex first building - 'first, 15

Nex first building - 'first, 15

£4.91
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Nex rad rides 206 - k’nex,

Nex rad rides 206 - k’nex,

£5.45
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Nex fast vehicles - k'nex, building

Nex fast vehicles - k'nex, building

£6.00
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Nex model building set - 52,

Nex model building set - 52,

£13.59
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Nex transport chopper - transport,

Nex transport chopper - transport,

£7.59
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Knex nex amazing roller - k'nex,

Knex nex amazing roller - k'nex,

£28.95
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Kid nex budding builders - kid,

Kid nex budding builders - kid,

£9.19
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Nex build construction - build, it!

Nex build construction - build, it!

£8.99
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Nex set models - set, ref

Nex set models - set, ref

£20.00
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Kid nex huge bundle - huge,

Kid nex huge bundle - huge,

£27.74
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Nex kids suitcase - k'nex,

Nex kids suitcase - k'nex,

£7.05
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Nex renegade run model - renegade,

Nex renegade run model - renegade,

£24.75
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Nex fast vehicles building - fast,

Nex fast vehicles building - fast,

£5.93
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Vintage sealed boxed - sealed, k'nex

Vintage sealed boxed - sealed, k'nex

£20.00
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Nex amazing roller coaster - roller,

Nex amazing roller coaster - roller,

£16.15
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Large vintage nex bundle - vintage, k’nex

Large vintage nex bundle - vintage, k’nex

£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 bionic - thrill,

Nex thrill rides bionic - thrill,

£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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