For Sale UK

Knex

4

Knex for sale on largest auction and classifieds sites

Home / Construction Toys / Knex refurbished & used for sale | For Sale UK
Nex bulk mixed construction - k'nex,

Nex bulk mixed construction - k'nex,

£15.08
Buy It Now

» View on eBay #sponsored
1990 knex with - carry, case

1990 knex with - carry, case

£25.14
Buy It Now

» View on eBay #sponsored
Knex silver battery powered - knex,

Knex silver battery powered - knex,

£6.99
Buy It Now

» View on eBay #sponsored
Nex thrill rides kraken s - thrill, kraken's

Nex thrill rides kraken s - thrill, kraken's

£63.10
Buy It Now

» View on eBay #sponsored
New knex thrill rides infinite - new,

New knex thrill rides infinite - new,

£21.50
Buy It Now

» View on eBay #sponsored
Nex thrill rides - k'nex, parts

Nex thrill rides - k'nex, parts

£55.00
Buy It Now

» View on eBay #sponsored
Nex family guy collectible - k'nex,

Nex family guy collectible - k'nex,

£68.30
Buy It Now

» View on eBay #sponsored
Nex rocket boost - rocket,

Nex rocket boost - rocket,

£130.00
Buy It Now

» View on eBay #sponsored
Knex red 1990s building - 1990s,

Knex red 1990s building - 1990s,

£42.30
Buy It Now

» View on eBay #sponsored
11kg large nex bundle toy - large,

11kg large nex bundle toy - large,

£43.34
Buy It Now

» View on eBay #sponsored
Nex bundle - k'nex,

Nex bundle - k'nex,

£8.66
Buy It Now

» View on eBay #sponsored
Nex pac man roller coaster - k’nex,

Nex pac man roller coaster - k’nex,

£19.36
Buy It Now

» View on eBay #sponsored
Nex bulk mixed lot - bulk,

Nex bulk mixed lot - bulk,

£10.00
Buy It Now

» View on eBay #sponsored
Nex building set - set,

Nex building set - set,

£34.32
Buy It Now

» View on eBay #sponsored
Nex 417 piece building set - building, |

Nex 417 piece building set - building, |

£24.99
Buy It Now

» View on eBay #sponsored
Knex mixed colour 32mm rod - mixed,

Knex mixed colour 32mm rod - mixed,

£16.14
Buy It Now

» View on eBay #sponsored
Nex amusement park building - k'nex,

Nex amusement park building - k'nex,

£16.15
Buy It Now

» View on eBay #sponsored
Nex collect build 2 - k'nex, &

Nex collect build 2 - k'nex, &

£16.15
Buy It Now

» View on eBay #sponsored
Assorted knex inc new kits - assorted, 2

Assorted knex inc new kits - assorted, 2

£9.73
Buy It Now

» View on eBay #sponsored
Nex mario kart wii - mario,

Nex mario kart wii - mario,

£21.50
Buy It Now

» View on eBay #sponsored
Knex nex amazing roller - knex, 8

Knex nex amazing roller - knex, 8

£28.95
Buy It Now

» View on eBay #sponsored
Nex creation zone box - box, +

Nex creation zone box - box, +

£26.70
Buy It Now

» View on eBay #sponsored
Knex clockwork roller coaster - clockwork,

Knex clockwork roller coaster - clockwork,

£15.08
Buy It Now

» View on eBay #sponsored
Nex kid - kid, k'nex

Nex kid - kid, k'nex

£10.00
Buy It Now

» View on eBay #sponsored
100x nex green - 100x, k'nex

100x nex green - 100x, k'nex

£2.35
Buy It Now

» View on eBay #sponsored
Nex steel scorpion roller - scorpion,

Nex steel scorpion roller - scorpion,

£10.99
Buy It Now

» View on eBay #sponsored
Nex thrill rides ferris - thrill,

Nex thrill rides ferris - thrill,

£16.15
Buy It Now

» View on eBay #sponsored
Knex black box spare - knex,

Knex black box spare - knex,

£6.52
Buy It Now

» View on eBay #sponsored
Kid nex building set tub - -,

Kid nex building set tub - -,

£19.36
Buy It Now

» View on eBay #sponsored
Nex nexosaurus rex - k’nexosaurus,

Nex nexosaurus rex - k’nexosaurus,

£11.50
Buy It Now

» View on eBay #sponsored
100 nex knex yellow - x,

100 nex knex yellow - x,

£4.38
Buy It Now

» View on eBay #sponsored
Kid nex oodles pals - k'nex, of

Kid nex oodles pals - k'nex, of

£23.58
Buy It Now

» View on eBay #sponsored
Knex spare parts bundle - spare,

Knex spare parts bundle - spare,

£10.79
Buy It Now

» View on eBay #sponsored
Nex knex spare rods - knex,

Nex knex spare rods - knex,

£4.95
Buy It Now

» View on eBay #sponsored
Nex mixed bundle 27kg - bundle, 1.27kg

Nex mixed bundle 27kg - bundle, 1.27kg

£9.73
Buy It Now

» View on eBay #sponsored
Nex trains planes - trains,

Nex trains planes - trains,

£25.99
Buy It Now

» View on eBay #sponsored
Nex - k,

Nex - k,

£37.10
Buy It Now

» View on eBay #sponsored
1993 vintage nex - vintage, k'nex

1993 vintage nex - vintage, k'nex

£31.90
Buy It Now

» View on eBay #sponsored
Rare display knex nintendo - display,

Rare display knex nintendo - display,

£12.93
Buy It Now

» View on eBay #sponsored
Knex roller coaster typhoon - knex,

Knex roller coaster typhoon - knex,

£45.74
Buy It Now

» View on eBay #sponsored
Nex thrill rides bionic - k'nex,

Nex thrill rides bionic - k'nex,

£22.00
Buy It Now

» View on eBay #sponsored
Nex beginner fun fast - k’nex,

Nex beginner fun fast - k’nex,

£6.99
Buy It Now

» View on eBay #sponsored
Nex spares rods - k'nex, spares.

Nex spares rods - k'nex, spares.

£3.30
Buy It Now

» View on eBay #sponsored
Knex street mods - mods, tuner

Knex street mods - mods, tuner

£8.00
Buy It Now

» View on eBay #sponsored
Nex revolution ferris - revolution,

Nex revolution ferris - revolution,

£20.00
Buy It Now

» View on eBay #sponsored
Knex building set 408 pieces - set,

Knex building set 408 pieces - set,

£21.49
Buy It Now

» View on eBay #sponsored
Nex bulk mixed lot rods - mixed,

Nex bulk mixed lot rods - mixed,

£7.59
Buy It Now

» View on eBay #sponsored
Nex first building - building, 15

Nex first building - building, 15

£4.91
Buy It Now

» View on eBay #sponsored
Vintage knex the original - knex,

Vintage knex the original - knex,

£31.90
Buy It Now

» View on eBay #sponsored
Vintage 1990s nex - 1990s, k’nex

Vintage 1990s nex - 1990s, k’nex

£10.80
Buy It Now

» View on eBay #sponsored
Nex box random pieces - k'nex,

Nex box random pieces - k'nex,

£4.91
Buy It Now

» View on eBay #sponsored
Knex electric inferno - electric, roller

Knex electric inferno - electric, roller

£14.99
Buy It Now

» View on eBay #sponsored
Nex serpent spiral motorized - spiral,

Nex serpent spiral motorized - spiral,

£21.49
Buy It Now

» View on eBay #sponsored
Nex large 45mm racing - k'nex,

Nex large 45mm racing - k'nex,

£4.40
Buy It Now

» View on eBay #sponsored
Hard find nex - find, super

Hard find nex - find, super

£39.18
Buy It Now

» View on eBay #sponsored
Knex set bundle - knex,

Knex set bundle - knex,

£7.22
Buy It Now

» View on eBay #sponsored
Nex set 34113 275 - pieces, in

Nex set 34113 275 - pieces, in

£8.65
Buy It Now

» View on eBay #sponsored
Knex spares just over 4kg - knex,

Knex spares just over 4kg - knex,

£31.90
Buy It Now

» View on eBay #sponsored
Nex set 12423 blue - set,

Nex set 12423 blue - set,

£9.19
Buy It Now

» View on eBay #sponsored
Nex storage case with - k'nex,

Nex storage case with - k'nex,

£8.66
Buy It Now

» View on eBay #sponsored
Nex collect build dump - collect,

Nex collect build dump - collect,

£14.01
Buy It Now

» View on eBay #sponsored
Kid nex budding - kid, k’nex

Kid nex budding - kid, k’nex

£10.80
Buy It Now

» View on eBay #sponsored
Kid nex tractor pals - tractor,

Kid nex tractor pals - tractor,

£6.52
Buy It Now

» View on eBay #sponsored
Knex wheels and tyres plus - tyres, a

Knex wheels and tyres plus - tyres, a

£6.52
Buy It Now

» View on eBay #sponsored
Nex wheels parts 15 - wheels,

Nex wheels parts 15 - wheels,

£5.45
Buy It Now

» View on eBay #sponsored
Nex large tub bundle - bundle, +

Nex large tub bundle - bundle, +

£40.22
Buy It Now

» View on eBay #sponsored
Nex infinite journey roller - k'nex,

Nex infinite journey roller - k'nex,

£16.15
Buy It Now

» View on eBay #sponsored
Nex light ferris wheel - k'nex, light-up

Nex light ferris wheel - k'nex, light-up

£16.15
Buy It Now

» View on eBay #sponsored
Nex 6ft motorised ferris - 6ft+,

Nex 6ft motorised ferris - 6ft+,

£182.70
Buy It Now

» View on eBay #sponsored
Micro nex knex spare rods - knex,

Micro nex knex spare rods - knex,

£4.95
Buy It Now

» View on eBay #sponsored
Nex vertical vengeance - vertical,

Nex vertical vengeance - vertical,

£40.00
Buy It Now

» View on eBay #sponsored
Nex imagine cars building - cars,

Nex imagine cars building - cars,

£2.00
Buy It Now

» View on eBay #sponsored
Nex purple way 3d - purple, 4

Nex purple way 3d - purple, 4

£2.77
Buy It Now

» View on eBay #sponsored
Nex mixed bundle 5 - 1.5, kilos

Nex mixed bundle 5 - 1.5, kilos

£15.08
Buy It Now

» View on eBay #sponsored
Vintage nex 80s s - vintage,

Vintage nex 80s s - vintage,

£17.99
Buy It Now

» View on eBay #sponsored
Box nex with various - of,

Box nex with various - of,

£6.52
Buy It Now

» View on eBay #sponsored
Large nex storage - k-nex,

Large nex storage - k-nex,

£5.00
Buy It Now

» View on eBay #sponsored
Nex sets 430100 12423 in - 12423,

Nex sets 430100 12423 in - 12423,

£11.33
Buy It Now

» View on eBay #sponsored
Nex micro mixed bundle - k’nex,

Nex micro mixed bundle - k’nex,

£6.51
Buy It Now

» View on eBay #sponsored
Nex assorted lot - -, gears

Nex assorted lot - -, gears

£5.45
Buy It Now

» View on eBay #sponsored
Knex mario kart wii bundle - wii, of

Knex mario kart wii bundle - wii, of

£38.14
Buy It Now

» View on eBay #sponsored
Kid nex spares - spares, other

Kid nex spares - spares, other

£5.00
Buy It Now

» View on eBay #sponsored
Nex street mods tuner - k'nex,

Nex street mods tuner - k'nex,

£6.52
Buy It Now

» View on eBay #sponsored
Classic knex wheels pack - knex, 6

Classic knex wheels pack - knex, 6

£1.17
Buy It Now

» View on eBay #sponsored
Knex motorcycle and - motorcycle,

Knex motorcycle and - motorcycle,

£2.24
Buy It Now

» View on eBay #sponsored
Nex creation zone - creation, building

Nex creation zone - creation, building

£6.52
Buy It Now

» View on eBay #sponsored
Nex large storage case - storage,

Nex large storage case - storage,

£5.00
Buy It Now

» View on eBay #sponsored
Nex big ball - factory,, boxed

Nex big ball - factory,, boxed

£69.99
Buy It Now

» View on eBay #sponsored
Nex vintage roller - vintage,

Nex vintage roller - vintage,

£52.70
Buy It Now

» View on eBay #sponsored
Knex nex model fun - 10,

Knex nex model fun - 10,

£4.99
Buy It Now

» View on eBay #sponsored
Nex wheel mixed - k'nex,

Nex wheel mixed - k'nex,

£4.99
Buy It Now

» View on eBay #sponsored
Vintage knex large - large, storage

Vintage knex large - large, storage

£49.99
Buy It Now

» View on eBay #sponsored
Nex kids carry case and - k'nex,

Nex kids carry case and - k'nex,

£7.58
Buy It Now

» View on eBay #sponsored
Nex motorised ferris wheel - motorised,

Nex motorised ferris wheel - motorised,

£10.00
Buy It Now

» View on eBay #sponsored
Nex electric inferno - k'nex,

Nex electric inferno - k'nex,

£20.43
Buy It Now

» View on eBay #sponsored
Construction toys fun - construction,

Construction toys fun - construction,

£5.99
Buy It Now

» View on eBay #sponsored

Looking for more knex?

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

🔍 Search live deals
📊96 listings · from £1.17 · avg £20.81
⚠️ These listings were last updated more than 20 days ago. Search for fresh listings

Browse 96 knex listings currently in our index. Prices range from £1.17 to £182.7, with an average of £20.81. 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 box | train set board | kama | meccano box set | lego base plate 32x32 | lego base boards | pirate ship caribbean | meccano case | toy suitcase

Shop by budget

< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

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 £1.17, while premium listings can reach £182.7 — giving you a wide budget spread to work with. The average price of £20.81 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.

🔍 knex Search live on eBay