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Various
Nex bulk mixed construction - k'nex,
£15.08
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1990 knex with - carry, case
£25.14
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Knex silver battery powered - knex,
£6.99
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Nex thrill rides kraken s - thrill, kraken's
£63.10
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New knex thrill rides infinite - new,
£21.50
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Nex thrill rides - k'nex, parts
£55.00
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Nex family guy collectible - k'nex,
£68.30
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Nex rocket boost - rocket,
£130.00
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Knex red 1990s building - 1990s,
£42.30
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11kg large nex bundle toy - large,
£43.34
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Nex bundle - k'nex,
£8.66
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Nex pac man roller coaster - k’nex,
£19.36
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Nex bulk mixed lot - bulk,
£10.00
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Nex building set - set,
£34.32
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Nex 417 piece building set - building, |
£24.99
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Knex mixed colour 32mm rod - mixed,
£16.14
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Nex amusement park building - k'nex,
£16.15
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Nex collect build 2 - k'nex, &
£16.15
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Assorted knex inc new kits - assorted, 2
£9.73
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Nex mario kart wii - mario,
£21.50
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Knex nex amazing roller - knex, 8
£28.95
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Nex creation zone box - box, +
£26.70
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Knex clockwork roller coaster - clockwork,
£15.08
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Nex kid - kid, k'nex
£10.00
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100x nex green - 100x, k'nex
£2.35
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Nex steel scorpion roller - scorpion,
£10.99
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Nex thrill rides ferris - thrill,
£16.15
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Knex black box spare - knex,
£6.52
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Kid nex building set tub - -,
£19.36
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Nex nexosaurus rex - k’nexosaurus,
£11.50
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100 nex knex yellow - x,
£4.38
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Kid nex oodles pals - k'nex, of
£23.58
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Knex spare parts bundle - spare,
£10.79
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Nex knex spare rods - knex,
£4.95
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Nex mixed bundle 27kg - bundle, 1.27kg
£9.73
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Nex trains planes - trains,
£25.99
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Nex - k,
£37.10
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1993 vintage nex - vintage, k'nex
£31.90
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Rare display knex nintendo - display,
£12.93
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Knex roller coaster typhoon - knex,
£45.74
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Nex thrill rides bionic - k'nex,
£22.00
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Nex beginner fun fast - k’nex,
£6.99
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Nex spares rods - k'nex, spares.
£3.30
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Knex street mods - mods, tuner
£8.00
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Nex revolution ferris - revolution,
£20.00
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Knex building set 408 pieces - set,
£21.49
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Nex bulk mixed lot rods - mixed,
£7.59
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Nex first building - building, 15
£4.91
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Vintage knex the original - knex,
£31.90
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Vintage 1990s nex - 1990s, k’nex
£10.80
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Nex box random pieces - k'nex,
£4.91
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Knex electric inferno - electric, roller
£14.99
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Nex serpent spiral motorized - spiral,
£21.49
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Nex large 45mm racing - k'nex,
£4.40
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Hard find nex - find, super
£39.18
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Knex set bundle - knex,
£7.22
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Nex set 34113 275 - pieces, in
£8.65
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Knex spares just over 4kg - knex,
£31.90
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Nex set 12423 blue - set,
£9.19
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Nex storage case with - k'nex,
£8.66
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Nex collect build dump - collect,
£14.01
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Kid nex budding - kid, k’nex
£10.80
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Kid nex tractor pals - tractor,
£6.52
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Knex wheels and tyres plus - tyres, a
£6.52
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Nex wheels parts 15 - wheels,
£5.45
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Nex large tub bundle - bundle, +
£40.22
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Nex infinite journey roller - k'nex,
£16.15
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Nex light ferris wheel - k'nex, light-up
£16.15
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Nex 6ft motorised ferris - 6ft+,
£182.70
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Micro nex knex spare rods - knex,
£4.95
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Nex vertical vengeance - vertical,
£40.00
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Nex imagine cars building - cars,
£2.00
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Nex purple way 3d - purple, 4
£2.77
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Nex mixed bundle 5 - 1.5, kilos
£15.08
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Vintage nex 80s s - vintage,
£17.99
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Box nex with various - of,
£6.52
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Large nex storage - k-nex,
£5.00
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Nex sets 430100 12423 in - 12423,
£11.33
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Nex micro mixed bundle - k’nex,
£6.51
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Nex assorted lot - -, gears
£5.45
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Knex mario kart wii bundle - wii, of
£38.14
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Kid nex spares - spares, other
£5.00
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Nex street mods tuner - k'nex,
£6.52
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Classic knex wheels pack - knex, 6
£1.17
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Knex motorcycle and - motorcycle,
£2.24
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Nex creation zone - creation, building
£6.52
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Nex large storage case - storage,
£5.00
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Nex big ball - factory,, boxed
£69.99
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Nex vintage roller - vintage,
£52.70
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Knex nex model fun - 10,
£4.99
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Nex wheel mixed - k'nex,
£4.99
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Vintage knex large - large, storage
£49.99
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Nex kids carry case and - k'nex,
£7.58
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Nex motorised ferris wheel - motorised,
£10.00
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Nex electric inferno - k'nex,
£20.43
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Construction toys fun - construction,
£5.99
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Looking for more knex?
Search eBay live — fresh results filtered for the best value, updated every hour.
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
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.