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Nex large bundle incl - k'nex, carry
£100.00
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Knex roller coaster - coaster, typhoon
£45.74
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Nex trains planes and - trains,
£25.99
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Knex bundle with working - knex,
£37.10
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Nex cool machines - cool,
£22.80
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Nex build 10 - k'nex,
£6.52
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Nex beginner fun fast - k’nex,
£6.99
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Nex build learn - &,
£31.90
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Hand2mind moving creations - hand2mind,
£42.11
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Nex bundle joblot - k'nex,
£8.66
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Knex corkscrew coaster - corkscrew, coaster-
£16.15
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Kid knex bundle approx - kid,
£6.52
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K'NEX
£6.52
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Loose pieces knex nex joblot - loose,
£21.50
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Vintage 1996 knex large hard - vintage,
£13.90
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Nex imagine cars building - k'nex,
£7.59
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Job lot mixed bundle - lot,
£10.80
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Nex typhoon frenzy - k'nex, motorised
£5.45
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Nex red carry case - ,
£11.87
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Bundle nex with - k'nex,
£6.51
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Knex large bundle separate - knex, in
£19.99
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Nex building toy - k'nex,
£1.16
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Bundle knex nex - bundle, 250
£7.58
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Knex kit good condition - kit,,
£7.95
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Nex bonus models - models, dinosaur
£3.87
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Knex 18025 and - knex, with
£16.15
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Kid knex bundle approx 120 - bundle,
£7.05
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Nex launcher series 1 - launcher,
£15.09
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Knex titanfall atlas - ,
£37.10
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Vintage knex carry case bundle - vintage,
£10.14
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Nex battlers x thrasher - battlers,
£12.99
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Nex dark blue way - k'nex, 7-way
£1.16
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Knex green battery powered - battery,
£8.12
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Knex bundle with coaster
£10.56
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Nex basic set - k'nex,
£10.79
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Vintage 1993 knex giant - 1993,
£11.86
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Nex grey carry case storage - k'nex,
£17.22
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Yellow nex cog gears - cog,
£10.80
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Job lot mixed - lot, over
£23.58
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Kid knex dino - knex, dudes
£41.99
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Nex click construct value - click,
£7.59
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Kid nex budding builders tub - kid,
£5.45
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Nex knex roller coaster - roller,
£5.95
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Knex bundle 850g wheels rods - 850g,
£11.86
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Knex black blue plastic 4 - knex,
£10.80
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Nex model ultimate - 35,
£5.45
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Nex spares yellow ball - k'nex,
£16.15
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Knex battlers saw zaw - knex, zaw'
£4.27
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K'NEX
£5.45
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Knex way white and - and, black
£6.52
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Build learning fun - up,
£12.94
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Vintage nex blue carry case - k'nex,
£16.15
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Nex imagine imagination - k'nex,
£15.08
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Genuine nex flying fun set - genuine,
£11.50
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Knex yellow red cog gears
£8.66
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Nex big value models - value,
£21.50
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Nex knex spare - knex, rods
£3.95
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Nex empty storage - k’nex,
£6.52
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Nex green 16mm rods - k'nex,
£2.99
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Knex white rod 60 - white,
£2.03
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Nex set 45015 807 - k'nex,
£11.87
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Knex black ball joint rod - ball,
£2.24
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Vintage nex bulk lot - k'nex, rods
£31.90
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Kid knex bundle approx 115 - knex,
£7.59
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Nex knex dark blue - 30, 7
£6.51
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Nex over 6kg plastic - k'nex, rods
£47.50
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Nex bundle job lot includes - job,
£20.00
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Nex bulk lot rods - k'nex,
£16.15
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Nex kid budding - k'nex,
£9.73
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Nex light ferris wheel - light,
£11.33
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Micro nex genuine - k'nex,
£4.95
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Nex good selection - a,
£8.66
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Nex education robotics - education,
£125.50
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Nex model building - k'nex,
£6.52
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Nex imagine model - k'nex,
£4.65
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Kid knex bundle approx - approx, 130
£7.59
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Nex job bundle includes - bundle,
£15.99
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Nex titanfall 91 piece - k'nex, "titanfall
£13.10
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Mixed approx 1kg job lot - mixed,
£13.47
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Nex box random pieces - box, of
£4.17
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100x nex green - green, rods
£2.35
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Nex cyber ultra 63007 - k'nex,
£18.29
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Nex wheels three - k'nex, of
£8.66
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Knex bundle 100 - knex, yellow
£7.11
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Nex job lot bundle - k’nex,
£10.26
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Nex red rod 128mm 20 - red, x
£1.16
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Knex large gray spacers 8mm - large,
£2.03
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Nex classix 34113 bulk lot - k'nex,
£8.66
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Kid knex bundle approx 160 - kid,
£8.66
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Vintage nex motor gear - k'nex, set
£29.99
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Nex assorted vintage - assorted, motor
£8.00
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Nex amazin 8 roller - k'nex, amazin’
£10.79
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Knex pick truck with - up, lights
£5.45
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New nex super mario series - k'nex,
£10.00
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Nex model building sets - 70,
£37.10
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Nex bundle 9kg connectors - k'nex,
£15.00
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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 £1.16 to £125.5, with an average of £15.04. 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 | farm toys buildings | capsela | power rollers | trix | mallard train set | kama | meccano box set | lego base plate 32x32 | lego base boards
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 £1.16, while premium listings can reach £125.5 — giving you a wide budget spread to work with. The average price of £15.04 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.