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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 space tower set - k'nex,

Nex space tower set - k'nex,

£52.70
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Nex thrill rides mecha - rides,

Nex thrill rides mecha - rides,

£18.85
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Kids nex dino dudes model - kids,

Kids nex dino dudes model - kids,

£37.10
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Large nex bundle - k’nex, job

Large nex bundle - k’nex, job

£31.90
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Nex beginner fun - beginner,

Nex beginner fun - beginner,

£6.99
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Nex transport builder sets - 3,

Nex transport builder sets - 3,

£3.31
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Nex imagine model - imagine, 52-model

Nex imagine model - imagine, 52-model

£10.00
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Nex trains planes and - trains,

Nex trains planes and - trains,

£25.99
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Nex building set 417 - set,

Nex building set 417 - set,

£29.82
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Nex 20x force build - k-20x, and

Nex 20x force build - k-20x, and

£10.00
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Nex kid education - k'nex,

Nex kid education - k'nex,

£7.05
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Massive nex building - k'nex,

Massive nex building - k'nex,

£31.89
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Nex classics 206 - k'nex, 12

Nex classics 206 - k'nex, 12

£9.99
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Nex bundle hyperspace - bundle,

Nex bundle hyperspace - bundle,

£208.70
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Nex marble run - k'nex,

Nex marble run - k'nex,

£49.99
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Nex build learn - &, roller

Nex build learn - &, roller

£31.99
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Nex mixed bundle parts - k'nex,

Nex mixed bundle parts - k'nex,

£11.87
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Nex city builders 325pc - city,

Nex city builders 325pc - city,

£12.40
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Nex job lot - job,

Nex job lot - job,

£6.52
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Nex screamin serpent - k'nex, screamin'

Nex screamin serpent - k'nex, screamin'

£104.70
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Nex mega boom force build - k'nex,

Nex mega boom force build - k'nex,

£10.00
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Nex 350 racing car - 350, vintage

Nex 350 racing car - 350, vintage

£3.84
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Nex six transport sets - k’nex,

Nex six transport sets - k’nex,

£24.99
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Nex model building - 30,

Nex model building - 30,

£8.66
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Vintage sealed boxed nex - sealed,

Vintage sealed boxed nex - sealed,

£20.00
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Vintage nex red carry case - k'nex,

Vintage nex red carry case - k'nex,

£21.50
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Nex education simple - k,

Nex education simple - k,

£11.99
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Nex 47525 kforce - ,

Nex 47525 kforce - ,

£9.99
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Vintage nex red carry case - red,

Vintage nex red carry case - red,

£29.99
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Vintage nex blue storage - vintage,

Vintage nex blue storage - vintage,

£29.99
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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 480 piece - building,

Nex building set 480 piece - building,

£37.10
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Nex blazing bikes 17034 - bikes,

Nex blazing bikes 17034 - bikes,

£6.52
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Vintage 1993 nex - vintage,

Vintage 1993 nex - vintage,

£26.70
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Nex model building set - 10,

Nex model building set - 10,

£5.99
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Nex education swing ride - k'nex,

Nex education swing ride - k'nex,

£11.99
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Nex set 45015 - 807, pieces

Nex set 45015 - 807, pieces

£11.87
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Nex model building set - k’nex,

Nex model building set - k’nex,

£8.65
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Nex building set 417 - k’nex,

Nex building set 417 - k’nex,

£33.98
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Nex blizzard blast roller - blizzard,

Nex blizzard blast roller - blizzard,

£21.50
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Nex beginner builds building - k'nex,

Nex beginner builds building - k'nex,

£14.99
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Nex model ultimate - model,

Nex model ultimate - model,

£29.99
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Nex power set 24127 - power, set,

Nex power set 24127 - power, set,

£25.66
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Kid nex zoo - k'nex, piece

Kid nex zoo - k'nex, piece

£11.87
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Nex imagine model - imagine,

Nex imagine model - imagine,

£2.23
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Vintage nex construction - vintage,

Vintage nex construction - vintage,

£12.94
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Nex set 40855 blue box - nex,

Nex set 40855 blue box - nex,

£11.33
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Nex 23012 imagine - 23012, power

Nex 23012 imagine - 23012, power

£17.00
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Nex imagine model - imagine, 50

Nex imagine model - imagine, 50

£4.38
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Basic fun nex - fun, beginner

Basic fun nex - fun, beginner

£9.00
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Nex 863 piece building set - k'nex,

Nex 863 piece building set - k'nex,

£24.00
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Kid nex budding - budding, tub

Kid nex budding - budding, tub

£8.66
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Nex interlocking blocks - k'nex,

Nex interlocking blocks - k'nex,

£7.59
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Nex storm mountain glow - k'nex, in

Nex storm mountain glow - k'nex, in

£49.99
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Nex maxima power - k'nex,

Nex maxima power - k'nex,

£5.45
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Nex wheel drive truck - wheel,

Nex wheel drive truck - wheel,

£21.39
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Nex knex vintage hyperspace - k'nex,

Nex knex vintage hyperspace - k'nex,

£159.99
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Nex trains planes - trains,, &

Nex trains planes - trains,, &

£24.10
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Nex light ferris - k’nex, up

Nex light ferris - k’nex, up

£16.15
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Nex cars building set 25525 - k'nex,

Nex cars building set 25525 - k'nex,

£9.73
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Mix vintage nex bundle parts - mix,

Mix vintage nex bundle parts - mix,

£11.33
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Nex 100 model imagine - model,

Nex 100 model imagine - model,

£8.66
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Nex motorised ferris wheel - ferris,

Nex motorised ferris wheel - ferris,

£10.00
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Nex model building set - k'nex,

Nex model building set - k'nex,

£16.15
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Vintage nex 43010 yellow - k’nex,

Vintage nex 43010 yellow - k’nex,

£21.49
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Nex imagine construction - k'nex,

Nex imagine construction - k'nex,

£2.77
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Nex imagine wheel - imagine,

Nex imagine wheel - imagine,

£12.93
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Nex sets all - k'nex, complete

Nex sets all - k'nex, complete

£39.70
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Nex pac man roller - bn, k’nex

Nex pac man roller - bn, k’nex

£23.58
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Nex model storage tub - nex,

Nex model storage tub - nex,

£5.98
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Nex set mixed building - k'nex,

Nex set mixed building - k'nex,

£20.00
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Nex creation zone building - creation,

Nex creation zone building - creation,

£21.50
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Nex creator 42001 - k'nex,

Nex creator 42001 - k'nex,

£3.31
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1995 nex roller coaster - roller,

1995 nex roller coaster - roller,

£104.70
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Nex beginner fun - k’nex,

Nex beginner fun - k’nex,

£6.99
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Nex fast vehicles building - k'nex,

Nex fast vehicles building - k'nex,

£5.00
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New nex cosmic - k’nex, quest

New nex cosmic - k’nex, quest

£4.91
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Nex space shuttle 60pc - k'nex,

Nex space shuttle 60pc - k'nex,

£10.97
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Knex nex plane building - knex,

Knex nex plane building - knex,

£2.00
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Vintage original nex - original, k'nex

Vintage original nex - original, k'nex

£33.60
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Nex sets - k’nex,

Nex sets - k’nex,

£10.80
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Nex classics 863 piece - classics,

Nex classics 863 piece - classics,

£64.99
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Nex titanfall ultimate - k’nex,

Nex titanfall ultimate - k’nex,

£198.30
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Pieces nex battery - 5,

Pieces nex battery - 5,

£26.70
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Nex architecture london - architecture,

Nex architecture london - architecture,

£37.50
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Knex force super strike - knex, k

Knex force super strike - knex, k

£19.99
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Nex konstructors power crane - power,

Nex konstructors power crane - power,

£34.99
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Vintage nex set 20507 60pc - 20507,

Vintage nex set 20507 60pc - 20507,

£7.59
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Nex musical ferris wheel - k'nex,

Nex musical ferris wheel - k'nex,

£31.90
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Nex model building - 5,

Nex model building - 5,

£5.00
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Nex kids carry case and - carry,

Nex kids carry case and - carry,

£6.51
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Nex model building set - 3,

Nex model building set - 3,

£5.00
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Nex set models ref - 32,

Nex set models ref - 32,

£20.00
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Nex family guy collectible - k'nex,

Nex family guy collectible - k'nex,

£68.30
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Nex model building - 70, sets

Nex model building - 70, sets

£37.10
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Nex super mario land - 3d,

Nex super mario land - 3d,

£30.46
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📊96 listings · from £2 · avg £26.08

Browse 96 k nex sets listings currently in our index. Prices range from £2 to £208.7, with an average of £26.08. 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 7662 | lego army sets | lego army tank | lego military sets | lego tank treads | lincoln logs | meccano motors | meccano robot

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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, while premium listings can reach £208.7 — giving you a wide budget spread to work with. The average price of £26.08 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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