For Sale USA

Knex

4

Knex for sale on largest auction and classifieds sites

Home / Building Toys / Knex for sale – 96 used, around $22 | For Sale USA
500 knex rods connectors mix - 500, &

500 knex rods connectors mix - 500, &

$33.74
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Nex sealed big ball - k'nex,

Nex sealed big ball - k'nex,

$257.55
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1998 knex lost mines - 1998,

1998 knex lost mines - 1998,

$122.95
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Knex stunt bike challenge - stunt,

Knex stunt bike challenge - stunt,

$24.99
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300 micro knex rods - knex, &

300 micro knex rods - knex, &

$14.84
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Nex bionicle building toy - k'nex,

Nex bionicle building toy - k'nex,

$25.00
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500 mixed knex pieces - knex,

500 mixed knex pieces - knex,

$29.95
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Nex sealed roller coaster - k'nex,

Nex sealed roller coaster - k'nex,

$183.95
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200 knex rods mixed - rods,

200 knex rods mixed - rods,

$17.95
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Knex super mario bros - knex,

Knex super mario bros - knex,

$18.00
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Nex sealed screamin serpent - sealed,

Nex sealed screamin serpent - sealed,

$174.75
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600 knex rods - knex, &

600 knex rods - knex, &

$43.19
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Knex super mario - knex,

Knex super mario - knex,

$25.00
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Nex eyeglass frames kids - k'nex,

Nex eyeglass frames kids - k'nex,

$22.49
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Knex lost mines - mines, rock

Knex lost mines - mines, rock

$39.99
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Toy hobby huge knex - huge,

Toy hobby huge knex - huge,

$155.00
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Nex micro mini bulk - (400),

Nex micro mini bulk - (400),

$20.85
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200 knex rods connectors - 200,

200 knex rods connectors - 200,

$17.95
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Nex building parts lot - building,

Nex building parts lot - building,

$29.99
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Nex 561 piece bulk lot - k'nex,

Nex 561 piece bulk lot - k'nex,

$29.99
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Knex super mario - mario, mini

Knex super mario - mario, mini

$20.00
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Nex new battery - new,

Nex new battery - new,

$17.43
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New nex blue roller - new,

New nex blue roller - new,

$17.95
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Knex super mario bros mini - mario,

Knex super mario bros mini - mario,

$15.00
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Knex super mario - super, bros

Knex super mario - super, bros

$12.00
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Nintendo super mario - super,

Nintendo super mario - super,

$99.99
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Knex super mario - bros, mini

Knex super mario - bros, mini

$21.00
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Nex ballbuster ball factory - ballbuster,

Nex ballbuster ball factory - ballbuster,

$487.46
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Knex lost mines power tower - knex,

Knex lost mines power tower - knex,

$79.99
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Knex lot orange case - lot,

Knex lot orange case - lot,

$40.50
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Knex nascar dale earnhardt - dale, jr

Knex nascar dale earnhardt - dale, jr

$30.00
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Vintage 1999 nex assorted - vintage,

Vintage 1999 nex assorted - vintage,

$50.00
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Vintage nex building toy - vintage,

Vintage nex building toy - vintage,

$25.95
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Knex super mario bros - super, mini

Knex super mario bros - super, mini

$15.00
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Huge nex bulk - k'nex,

Huge nex bulk - k'nex,

$284.99
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Nex yellow 5 way - k’nex, 5‑way

Nex yellow 5 way - k’nex, 5‑way

$17.05
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Nex new track tube huge - k'nex,

Nex new track tube huge - k'nex,

$20.19
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Nex green 4 - k’nex,

Nex green 4 - k’nex,

$1.95
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Vintage knex moster - vintage, truck

Vintage knex moster - vintage, truck

$150.00
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Nex 1993 yellow storage - 1993,

Nex 1993 yellow storage - 1993,

$24.99
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Nex bulk lot assorted - lot, rods

Nex bulk lot assorted - lot, rods

$29.99
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Nex education gears - k'nex,

Nex education gears - k'nex,

$34.99
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Nex motorized shark run - k'nex,

Nex motorized shark run - k'nex,

$40.00
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Translucent custom nex - translucent,

Translucent custom nex - translucent,

$21.89
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200 nex black - black, rod

200 nex black - black, rod

$12.83
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You choose nex micro - choose, k'nex

You choose nex micro - choose, k'nex

$1.00
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Nex rare white - 20, k'nex

Nex rare white - 20, k'nex

$17.95
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Nex extra pieces - extra,

Nex extra pieces - extra,

$1.00
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Nex building toys - building, bulk

Nex building toys - building, bulk

$15.00
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Nex amazin 8 coaster - k'nex,

Nex amazin 8 coaster - k'nex,

$35.99
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Huge nex lot includes - k'nex,

Huge nex lot includes - k'nex,

$299.99
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Knex mario kart - mario, 43pc

Knex mario kart - mario, 43pc

$10.99
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Knex building toy neon - 25,

Knex building toy neon - 25,

$10.99
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Nex black ball - (12),

Nex black ball - (12),

$12.30
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Nex balls yellow - k’nex, –

Nex balls yellow - k’nex, –

$15.59
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Nex small 75 - k’nex, tires

Nex small 75 - k’nex, tires

$14.20
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Knex mario kart 38820 - kart, guy

Knex mario kart 38820 - kart, guy

$28.99
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Nex bulk lot - bulk, building

Nex bulk lot - bulk, building

$60.00
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500 nex black rod - 500, end

500 nex black rod - 500, end

$20.19
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Nex yellow tethered - k’nex,

Nex yellow tethered - k’nex,

$19.95
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Mega bloks nex no - mega,

Mega bloks nex no - mega,

$19.95
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Nex balls red yellow - 6,

Nex balls red yellow - 6,

$26.58
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100 nex purple - 100, 4

100 nex purple - 100, 4

$9.98
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Nex collect build - &, ferris

Nex collect build - &, ferris

$39.95
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Nex builder set bulk - builder, parts

Nex builder set bulk - builder, parts

$25.00
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Vtg nex knex building set - k'nex,

Vtg nex knex building set - k'nex,

$18.00
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Micro knex brown ladder - micro,

Micro knex brown ladder - micro,

$14.99
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Nex motor worm gear - w/,

Nex motor worm gear - w/,

$39.95
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Knex super mario bros - knex,

Knex super mario bros - knex,

$21.00
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Nex mixed pieces rods - k’nex,

Nex mixed pieces rods - k’nex,

$6.87
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Nex gray rods - k'nex,

Nex gray rods - k'nex,

$22.95
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Knex 1 classic amusement - classic,

Knex 1 classic amusement - classic,

$19.00
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Nex blue spacers - blue,

Nex blue spacers - blue,

$14.95
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Knex solar power model - solar, set

Knex solar power model - solar, set

$29.99
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Nex echo pinball - echo,, pinball,

Nex echo pinball - echo,, pinball,

$825.00
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Knex rekonstructors razor - knex,

Knex rekonstructors razor - knex,

$5.51
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Knex super mario - super, bros

Knex super mario - super, bros

$25.00
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200 nex connectors mix bulk - 200, k'nex

200 nex connectors mix bulk - 200, k'nex

$17.95
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Super mario bros nex u - mario, bros.

Super mario bros nex u - mario, bros.

$25.00
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200 micro nex - 200, k'nex

200 micro nex - 200, k'nex

$13.45
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Knex bulk lot 10lb 13oz - knex,

Knex bulk lot 10lb 13oz - knex,

$63.16
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Knex blue and - 10,

Knex blue and - 10,

$13.99
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Nex bulk lot connectors - connectors, &

Nex bulk lot connectors - connectors, &

$13.99
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Knex blue hinges - knex,

Knex blue hinges - knex,

$13.99
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Nex purple 4 way - (100), k’nex

Nex purple 4 way - (100), k’nex

$11.35
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Nex green 4 - k’nex,

Nex green 4 - k’nex,

$30.35
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Knex black ball sockets - ball,

Knex black ball sockets - ball,

$69.99
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Nex light blue - k'nex,

Nex light blue - k'nex,

$18.35
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Nex silver black - &,

Nex silver black - &,

$13.61
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Huge nex lot lbs pounds - huge, 10

Huge nex lot lbs pounds - huge, 10

$99.99
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Nex bulk parts lot - 4,

Nex bulk parts lot - 4,

$19.99
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Nex micro chain 6ft 2 - micro,

Nex micro chain 6ft 2 - micro,

$13.95
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Nex chain feet - (260), 20'

Nex chain feet - (260), 20'

$20.19
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Custom nex balls green - 3, k'nex

Custom nex balls green - 3, k'nex

$18.49
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Nex sealed hyperspace - k'nex,

Nex sealed hyperspace - k'nex,

$174.75
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Knex motors tested working - knex,

Knex motors tested working - knex,

$40.00
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📊96 listings · from $1 · avg $55.01

Browse 96 knex listings currently in our index. Prices range from $1 to $825, with an average of $55.01. 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: audi 90 | bristle blocks | cardboard blocks | dora mega bloks | geomag | halo mega bloks elite | halo mega bloks | halo mega bloks covenant | halo mega bloks mini figures | halo mega bloks battlescape

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, while premium listings can reach $825 — giving you a wide budget spread to work with. The average price of $55.01 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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