For Sale USA

Knex

4

Knex for sale on largest auction and classifieds sites

Home / Building Toys / Knex refurbished & used for sale | For Sale USA
500 knex rods - 500,

500 knex rods - 500,

$33.74
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500 mixed knex pieces - knex,

500 mixed knex pieces - knex,

$29.95
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1998 knex lost mines power - knex,

1998 knex lost mines power - knex,

$149.99
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2005 nex corkscrew canyon - 2005, k'nex

2005 nex corkscrew canyon - 2005, k'nex

$144.49
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300 micro knex rods - 300,

300 micro knex rods - 300,

$14.84
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Nex ballbuster ball factory - k'nex,

Nex ballbuster ball factory - k'nex,

$487.46
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600 knex rods connectors - &,

600 knex rods connectors - &,

$43.19
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200 knex rods - 200, &

200 knex rods - 200, &

$17.95
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Vintage 1990s nex - 1990s, k’nex

Vintage 1990s nex - 1990s, k’nex

$59.95
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800 nex rods connectors - rods,

800 nex rods connectors - rods,

$67.45
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Angry birds railway runaway - angry,

Angry birds railway runaway - angry,

$100.00
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Nex roller coaster - k'nex,

Nex roller coaster - k'nex,

$29.99
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Nex angry birds - k'nex,

Nex angry birds - k'nex,

$19.97
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Nex knex rocket boost roller - rocket,

Nex knex rocket boost roller - rocket,

$34.95
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Knex motor pack 80011 - pack,

Knex motor pack 80011 - pack,

$50.00
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Nex corkscrew canyon - corkscrew, water

Nex corkscrew canyon - corkscrew, water

$40.00
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Nex blue mix 7 way - (50), 7‑way

Nex blue mix 7 way - (50), 7‑way

$11.87
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Nex mixed parts lot - mixed,

Nex mixed parts lot - mixed,

$59.95
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Nex new track tube huge - k'nex,

Nex new track tube huge - k'nex,

$20.19
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Vintage 1990s nex - vintage,

Vintage 1990s nex - vintage,

$49.95
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Nex sealed screamin - screamin, serpent

Nex sealed screamin - screamin, serpent

$174.75
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2012 nex angry birds figures - 2012,

2012 nex angry birds figures - 2012,

$29.97
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Nex set green - green, storage

Nex set green - green, storage

$15.00
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Vintage nex bulk - k’nex,

Vintage nex bulk - k’nex,

$24.95
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Vintage 1990s nex rods - vintage, k’nex

Vintage 1990s nex rods - vintage, k’nex

$59.95
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Nex micro mini bulk - (400),

Nex micro mini bulk - (400),

$20.85
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Nex 79320 stem explorations - 79320,

Nex 79320 stem explorations - 79320,

$19.95
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Nex super mario luigi - k'nex,

Nex super mario luigi - k'nex,

$35.00
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Nex education knex - k'nex,

Nex education knex - k'nex,

$49.81
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Nex sealed big ball - k'nex,

Nex sealed big ball - k'nex,

$257.55
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Nex 3in1 classic amusement - classic,

Nex 3in1 classic amusement - classic,

$42.99
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Vintage knex moster truck - knex,

Vintage knex moster truck - knex,

$150.00
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Vintage 1990s nex bulk - vintage,

Vintage 1990s nex bulk - vintage,

$69.95
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Nex sealed hyperspace - k'nex,

Nex sealed hyperspace - k'nex,

$174.75
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200 knex rods mixed standard - knex,

200 knex rods mixed standard - knex,

$17.95
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Knex sound module blue nex - knex,

Knex sound module blue nex - knex,

$0.99
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500 nex black rod end - k'nex,

500 nex black rod end - k'nex,

$20.19
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Nex mariokart wii - k’nex,

Nex mariokart wii - k’nex,

$120.00
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Vintage 1996 knex - vintage, fun

Vintage 1996 knex - vintage, fun

$19.78
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Knex motors battery powered - knex,

Knex motors battery powered - knex,

$55.00
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Nex thrill rides krakens - k'nex,

Nex thrill rides krakens - k'nex,

$51.99
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Nex white 8 position - k'nex,

Nex white 8 position - k'nex,

$18.39
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Rare nex square - 21,

Rare nex square - 21,

$19.99
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Nex wild whiplash roller - whiplash,

Nex wild whiplash roller - whiplash,

$29.99
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Knex mario kart wario - wario,

Knex mario kart wario - wario,

$9.34
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Nex volt motor - ac,

Nex volt motor - ac,

$38.59
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Nex echo pinball - echo,, pinball,

Nex echo pinball - echo,, pinball,

$825.00
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Nex corkscrew canyon - k’nex,

Nex corkscrew canyon - k’nex,

$39.99
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100 nex purple position 3d - 4,

100 nex purple position 3d - 4,

$9.98
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Nex super swing - super,

Nex super swing - super,

$9.99
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200 nex connectors mix bulk - connectors,

200 nex connectors mix bulk - connectors,

$17.95
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Nex rod connector - rod,

Nex rod connector - rod,

$14.20
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500 rare nex orange 1 - k'nex,

500 rare nex orange 1 - k'nex,

$22.95
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Knex mid gray rods 7 - 75,

Knex mid gray rods 7 - 75,

$13.99
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Nex titanfall militia - k'nex,

Nex titanfall militia - k'nex,

$54.99
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Nex purple 4 way - (100),

Nex purple 4 way - (100),

$11.35
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Nex lot figures robot - k’nex,

Nex lot figures robot - k’nex,

$29.95
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Nex blue black hinge - &,

Nex blue black hinge - &,

$13.25
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Nex white red - `(100),

Nex white red - `(100),

$34.91
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Nex building construction - k'nex,

Nex building construction - k'nex,

$14.99
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Nex light gray - (50),

Nex light gray - (50),

$14.20
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300 mixed knex misc - mixed,

300 mixed knex misc - mixed,

$5.95
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Knex wheels small - 8,

Knex wheels small - 8,

$5.99
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Nex new battery - battery, powered

Nex new battery - battery, powered

$17.43
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Nex mario kart wii - mario,

Nex mario kart wii - mario,

$40.00
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Nex gold small gear - gold,

Nex gold small gear - gold,

$29.99
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Lot knex wheels - lot, 6

Lot knex wheels - lot, 6

$40.00
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Lot knex wheels 6 - of,

Lot knex wheels 6 - of,

$40.00
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Nex blue way 3d - (50),

Nex blue way 3d - (50),

$14.95
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Lot nex orange county - orange,

Lot nex orange county - orange,

$14.99
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Lot nex orange county - k'nex,

Lot nex orange county - k'nex,

$14.99
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Nex lot clear - 5, motors

Nex lot clear - 5, motors

$59.95
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Nex white 8 - k’nex, 8‑way

Nex white 8 - k’nex, 8‑way

$33.20
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Nex balls red - k'nex,

Nex balls red - k'nex,

$26.58
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Nex sealed roller coaster - k'nex,

Nex sealed roller coaster - k'nex,

$183.95
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Nex 78640 introduction - introduction, to

Nex 78640 introduction - introduction, to

$12.00
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Nex nintendo super mario - nintendo,

Nex nintendo super mario - nintendo,

$29.99
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Nex 1 classic amusement - k'nex,

Nex 1 classic amusement - k'nex,

$39.99
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Knex 63030 classic roller - knex,

Knex 63030 classic roller - knex,

$99.97
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Knex metal rod for foot - knex,

Knex metal rod for foot - knex,

$37.95
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Large mario figure lot knex - large,

Large mario figure lot knex - large,

$56.00
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Nex pac man - pac-man, ghostly

Nex pac man - pac-man, ghostly

$40.00
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Nex gears yellow - –,

Nex gears yellow - –,

$13.25
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Nex lot assorted loose - of,

Nex lot assorted loose - of,

$44.95
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Nex power spring - k'nex,

Nex power spring - k'nex,

$11.86
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Nex super cyclone coaster - cyclone,

Nex super cyclone coaster - cyclone,

$39.95
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Nex tires wheels - (16),

Nex tires wheels - (16),

$24.65
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Micro nex tan rod end - rod,

Micro nex tan rod end - rod,

$14.95
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Nex gray 2 - k’nex, 2‑way

Nex gray 2 - k’nex, 2‑way

$14.20
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600 knex rods - knex, &

600 knex rods - knex, &

$30.00
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Knex value tub 12077 - knex, 12077/

Knex value tub 12077 - knex, 12077/

$24.88
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Nex black 8 position - k'nex,

Nex black 8 position - k'nex,

$33.99
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Vintage red knex storage - red,

Vintage red knex storage - red,

$38.99
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200 knex silver plain - 200,

200 knex silver plain - 200,

$19.95
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Knex space mountain building - mountain,

Knex space mountain building - mountain,

$250.00
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New knex wheel drive - knex,

New knex wheel drive - knex,

$30.00
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📊96 listings · from $0.99 · avg $57.88
⚠️ 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 $0.99 to $825, with an average of $57.88. 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 →

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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 $0.99, while premium listings can reach $825 — giving you a wide budget spread to work with. The average price of $57.88 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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