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Knex

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Home / Construction & Building Toys / Knex refurbished & used for sale | For Sale UK
Nex motorised ferris wheel - k'nex,

Nex motorised ferris wheel - k'nex,

£10.43
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Nex thrill rides in - k'nex,

Nex thrill rides in - k'nex,

£49.99
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Kid knex bundle - knex,

Kid knex bundle - knex,

£8.65
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Nex set 12423 blue - k'nex, in

Nex set 12423 blue - k'nex, in

£9.19
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Nex trains planes - k’nex,

Nex trains planes - k’nex,

£25.99
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Kid knex bundle 100 - , pieces

Kid knex bundle 100 - , pieces

£9.72
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Nex 34013 set 275 - 275, pieces

Nex 34013 set 275 - 275, pieces

£8.65
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Nex 1990s basic - k'nex,

Nex 1990s basic - k'nex,

£10.80
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Nex 80216 amazin 8 - 80216, amazin'

Nex 80216 amazin 8 - 80216, amazin'

£9.57
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Nex bundle - k'nex,

Nex bundle - k'nex,

£7.59
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Knex bundle two sets 47011 - knex,

Knex bundle two sets 47011 - knex,

£8.95
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Nex sets 430100 - sets, &

Nex sets 430100 - sets, &

£11.33
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Knex railroad pals complete - knex,

Knex railroad pals complete - knex,

£5.45
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Nex imagine power - k'nex, &

Nex imagine power - k'nex, &

£10.26
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Nex pirate ship - ship, park

Nex pirate ship - ship, park

£29.99
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Knex assorted - knex,

Knex assorted - knex,

£10.80
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Nex cobweb curse - cobweb,

Nex cobweb curse - cobweb,

£20.95
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Nex set 34113 275 pieces - k'nex, in

Nex set 34113 275 pieces - k'nex, in

£8.65
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Vintage 1990s nex - vintage,

Vintage 1990s nex - vintage,

£125.00
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Nex 1 classic amusement - classic,

Nex 1 classic amusement - classic,

£10.80
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Vintage 1997 nex blue - 1997, carry

Vintage 1997 nex blue - 1997, carry

£22.50
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Nex education design build - education, &

Nex education design build - education, &

£10.80
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Knex model building - knex, 52

Knex model building - knex, 52

£8.00
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Knex 23012 imagine power and - imagine,

Knex 23012 imagine power and - imagine,

£19.36
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Vintage 1997 nex - vintage,

Vintage 1997 nex - vintage,

£9.73
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Mixed approx 4kg job - approx.,

Mixed approx 4kg job - approx.,

£14.99
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1996 vintage knex - 1996,

1996 vintage knex - 1996,

£19.99
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Vintage nex knex green - knex,

Vintage nex knex green - knex,

£9.99
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Nex clip rod - rod, ends

Nex clip rod - rod, ends

£10.80
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Nex titanfall angel city - titanfall,

Nex titanfall angel city - titanfall,

£31.90
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Nex typhoon frenzy roller - frenzy,

Nex typhoon frenzy roller - frenzy,

£29.99
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Knex mixed colour 32mm - colour, rod

Knex mixed colour 32mm - colour, rod

£16.14
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Nex stem explorations - stem,

Nex stem explorations - stem,

£4.27
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Nex beginner vehicles 10 - vehicles,

Nex beginner vehicles 10 - vehicles,

£9.88
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Nex model fun building - 10,

Nex model fun building - 10,

£4.99
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Bucket kid knex not - of,

Bucket kid knex not - of,

£10.80
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Kid nex undersea - k'nex,

Kid nex undersea - k'nex,

£5.95
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Cases nex knex large - cases, of

Cases nex knex large - cases, of

£29.30
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Nex model building - model,

Nex model building - model,

£37.10
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Nex mario kart wii - k'nex,,

Nex mario kart wii - k'nex,,

£52.70
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Nex model storage tub - k'nex,

Nex model storage tub - k'nex,

£20.11
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Nintendo knex mario - nintendo, luigi

Nintendo knex mario - nintendo, luigi

£5.45
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Nex beginner fun - k’nex,

Nex beginner fun - k’nex,

£6.99
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Knex big ball - factory, set

Knex big ball - factory, set

£80.00
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Nex construction set with - k-nex,

Nex construction set with - k-nex,

£8.66
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Nex thrill rides twisted - k'nex,

Nex thrill rides twisted - k'nex,

£11.15
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Nex mixed bundle - k’nex,

Nex mixed bundle - k’nex,

£12.95
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Nex clip with - k'nex, hole

Nex clip with - k'nex, hole

£4.38
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Nex beginner vehicles 10 - k'nex, beginner:

Nex beginner vehicles 10 - k'nex, beginner:

£9.99
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Kid knex massive bundle - kid,

Kid knex massive bundle - kid,

£63.10
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Nex crane hoist - model, a

Nex crane hoist - model, a

£5.77
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Huge nex building - k'nex,

Huge nex building - k'nex,

£8.61
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Kid green knex - green, and

Kid green knex - green, and

£8.65
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Nex big air ball - big,

Nex big air ball - big,

£2.77
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Knex nex motors cogs - knex, k'nex

Knex nex motors cogs - knex, k'nex

£3.95
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Nex building set - building,

Nex building set - building,

£32.99
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Nex set 45015 - k'nex,

Nex set 45015 - k'nex,

£18.82
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1995 vintage knex - 1995,

1995 vintage knex - 1995,

£5.45
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Knex vertical viper roller - knex,

Knex vertical viper roller - knex,

£10.80
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Knex amusement park set - in,

Knex amusement park set - in,

£17.22
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Bulk job lot - bulk, boxed

Bulk job lot - bulk, boxed

£8.12
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Nex space tower set 47147 - tower,

Nex space tower set 47147 - tower,

£80.00
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Knex dino dudes building - knex,

Knex dino dudes building - knex,

£33.95
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Nex knex spare rods - k'nex,

Nex knex spare rods - k'nex,

£3.95
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Knex 950g choose your lot - knex,

Knex 950g choose your lot - knex,

£17.00
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Nex bulk lot - lot, mixed

Nex bulk lot - lot, mixed

£10.87
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Nex job lot - k'nex, bundle

Nex job lot - k'nex, bundle

£10.80
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Nex storm mountain - k'nex,

Nex storm mountain - k'nex,

£26.70
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Nex classics 125 - 125, piece

Nex classics 125 - 125, piece

£11.95
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Nex plants zombies wild - k'nex, v

Nex plants zombies wild - k'nex, v

£10.26
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Nex creator 42001 set - ,

Nex creator 42001 set - ,

£4.38
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Nex gears windmill - gears,

Nex gears windmill - gears,

£3.31
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Mixed nex job - mixed, k'nex

Mixed nex job - mixed, k'nex

£35.00
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Nex orange brown straight - k'nex, orange/brown

Nex orange brown straight - k'nex, orange/brown

£4.38
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Nex model storage tub - model,

Nex model storage tub - model,

£8.72
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Nex knex roller - roller, coaster

Nex knex roller - roller, coaster

£3.95
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Basic fun kid nex zoo - basic, |

Basic fun kid nex zoo - basic, |

£10.00
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Knex joblot 7kg rods gears - joblot,

Knex joblot 7kg rods gears - joblot,

£39.99
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Knex set vehicle and - set,

Knex set vehicle and - set,

£7.59
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Knex nex wheels tyres - wheels,

Knex nex wheels tyres - wheels,

£8.66
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Nex combat crew - k’nex, 5-in-1

Nex combat crew - k’nex, 5-in-1

£9.73
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Kid knex bundle - kid,

Kid knex bundle - kid,

£19.49
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Nex creator 43123 - creator,

Nex creator 43123 - creator,

£5.98
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Nex knex bundle - k’nex,

Nex knex bundle - k’nex,

£17.99
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Nex trail rider - rider, no

Nex trail rider - rider, no

£16.15
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Vintage 1990s nex - 1990s, k’nex

Vintage 1990s nex - 1990s, k’nex

£90.00
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Kid nex budding - k'nex, builders

Kid nex budding - k'nex, builders

£10.79
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Nex various colours - k'nex,

Nex various colours - k'nex,

£4.38
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Nex star shooter - star,

Nex star shooter - star,

£16.15
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Genuine blue nex man - genuine, k’nex

Genuine blue nex man - genuine, k’nex

£11.99
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Nex purple way 3d - k'nex,

Nex purple way 3d - k'nex,

£2.77
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Knex rex fury - knex,

Knex rex fury - knex,

£24.95
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Nex rollercoaster chain - rollercoaster,

Nex rollercoaster chain - rollercoaster,

£3.31
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Assorted nex large - in,

Assorted nex large - in,

£17.95
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Knex international space - international,

Knex international space - international,

£29.95
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Knex bundle with red - knex,

Knex bundle with red - knex,

£8.66
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Search eBay live — fresh results filtered for the best value, updated every hour.

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📊96 listings · from £2.77 · avg £17.91
⚠️ These listings were last updated more than 14 days ago. Search for fresh listings

Browse 96 knex listings currently in our index. Prices range from £2.77 to £125, with an average of £17.91. 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 knex →

Try this: meccano set 6 | meccano pulleys | concrete pan | capsela | meccano box | brick cutter | kama | meccano box set | lego base plate 32x32 | lego base boards

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Everything you need to know about knex

Whether you are looking for a brand-new or second-hand knex, 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 £2.77, while premium listings can reach £125 — giving you a wide budget spread to work with. The average price of £17.91 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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