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Knex 23012 imagine power and - imagine,

Knex 23012 imagine power and - imagine,

€19.36
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Knex ultimate big air ball - knex,

Knex ultimate big air ball - knex,

€89.10
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Nex sky sprinter roller - sky,

Nex sky sprinter roller - sky,

€83.90
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Nex knex spare rods - knex,

Nex knex spare rods - knex,

€3.95
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Nex steel scorpion roller - scorpion,

Nex steel scorpion roller - scorpion,

€31.90
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Kid knex nex footed friends - knex, k'nex

Kid knex nex footed friends - knex, k'nex

€8.66
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Knex storage case box with

Knex storage case box with

€4.38
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Kids nex incl - k’nex, two

Kids nex incl - k’nex, two

€10.80
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Vintage knex bundle - knex,

Vintage knex bundle - knex,

€5.98
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Nex beginner fun fast - k’nex,

Nex beginner fun fast - k’nex,

€6.99
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Vintage 1990s nex big ball - k’nex,

Vintage 1990s nex big ball - k’nex,

€125.00
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Nex white rods 32mm 55 - 32mm,

Nex white rods 32mm 55 - 32mm,

€1.19
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Nex trains planes and - k’nex,

Nex trains planes and - k’nex,

€25.99
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Nex ferris wheel building - k'nex,

Nex ferris wheel building - k'nex,

€19.36
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Nex titanfall angel city - -,

Nex titanfall angel city - -,

€21.50
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Nex model building sets - k'nex,

Nex model building sets - k'nex,

€37.10
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Nex mixed 5kg bundle job - ,

Nex mixed 5kg bundle job - ,

€21.50
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Nex rippin rocket - k’nex,

Nex rippin rocket - k’nex,

€42.50
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Nex model fun - k'nex, 10

Nex model fun - k'nex, 10

€4.38
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Nex knex lunch box - k'nex,

Nex knex lunch box - k'nex,

€4.38
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Nex discovery building set - discovery,

Nex discovery building set - discovery,

€12.95
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K'NEX

K'NEX

€4.38
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Vintage nex blue box - k'nex,

Vintage nex blue box - k'nex,

€31.90
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Bulk job lot knex - job, boxed

Bulk job lot knex - job, boxed

€8.12
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Nex rex fury - t,

Nex rex fury - t,

€12.94
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Knex rekonstructers diesel - knex,

Knex rekonstructers diesel - knex,

€10.79
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100 nex red 3 way - 100,

100 nex red 3 way - 100,

€1.97
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Knex joblot 600g cogs - -,

Knex joblot 600g cogs - -,

€10.80
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Nex thunderbolt roller - k'nex,

Nex thunderbolt roller - k'nex,

€37.09
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Knex lost mines mega masher - lost,

Knex lost mines mega masher - lost,

€54.14
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Nex pirate ship - k'nex, 462

Nex pirate ship - k'nex, 462

€29.99
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Nex knex rippin rocket - knex,

Nex knex rippin rocket - knex,

€63.10
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Knex black box spare - spare, parts

Knex black box spare - spare, parts

€8.66
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Knex assorted - (k'nex),

Knex assorted - (k'nex),

€10.80
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Basic fun nex beginner - fun,

Basic fun nex beginner - fun,

€9.00
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Nex force motorized - k,

Nex force motorized - k,

€10.80
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Nex imagine construction - k'nex,

Nex imagine construction - k'nex,

€5.45
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Hard find nex super - hard, k’nex

Hard find nex super - hard, k’nex

€89.10
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Knex electronic arcade - knex,

Knex electronic arcade - knex,

€29.95
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Nex amazing roller - k'nex,

Nex amazing roller - k'nex,

€21.50
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New knex mariokart - knex, 8

New knex mariokart - knex, 8

€5.00
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Nex 30005 starter set 175 - 30005,

Nex 30005 starter set 175 - 30005,

€3.31
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Angry birds knex breaking - angry,

Angry birds knex breaking - angry,

€199.00
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Nex 13465 model building - k'nex,

Nex 13465 model building - k'nex,

€10.79
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Nex job lot bundle - k'nex,

Nex job lot bundle - k'nex,

€10.80
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Nex storage box red with - k-nex,

Nex storage box red with - k-nex,

€2.75
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Nex set 34113 275 pieces - set, in

Nex set 34113 275 pieces - set, in

€8.65
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Knex joblot with carry - with, case

Knex joblot with carry - with, case

€35.00
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Nex knex roller - k'nex,

Nex knex roller - k'nex,

€5.95
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Basic fun kid - basic,

Basic fun kid - basic,

€10.00
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Nex motor 1 - motor, 3-in-1

Nex motor 1 - motor, 3-in-1

€24.62
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100 nex green - x, way

100 nex green - x, way

€2.72
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Nex kit rubber band - kit,,

Nex kit rubber band - kit,,

€10.80
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Nex beginner vehicles 10 - vehicles,

Nex beginner vehicles 10 - vehicles,

€9.88
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Nex job lot - ,

Nex job lot - ,

€10.80
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New knex mariokart - knex, 8

New knex mariokart - knex, 8

€5.00
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Nex beginner vehicles 10 - vehicles,

Nex beginner vehicles 10 - vehicles,

€5.44
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Nex knex spare rods - -,

Nex knex spare rods - -,

€3.95
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Knex motorbike plus - knex,

Knex motorbike plus - knex,

€2.24
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Knex railroad pals - knex,

Knex railroad pals - knex,

€5.45
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Knex nex motors cogs - cogs, gears

Knex nex motors cogs - cogs, gears

€5.95
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Nex sets 430100 12423 in - k'nex,

Nex sets 430100 12423 in - k'nex,

€11.33
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Knex model building - 52,

Knex model building - 52,

€8.00
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Micro nex knex - micro,

Micro nex knex - micro,

€3.95
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Nex vintage 1995 new in - vintage,

Nex vintage 1995 new in - vintage,

€6.52
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Nex orange brown straight - k'nex,

Nex orange brown straight - k'nex,

€4.38
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Knex set with instruction - knex,

Knex set with instruction - knex,

€8.00
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Nex bundle 9kg connectors - k'nex, 1.9kg

Nex bundle 9kg connectors - k'nex, 1.9kg

€20.00
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Kid nex undersea pals 46 - undersea,

Kid nex undersea pals 46 - undersea,

€5.95
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Nex way connector 20 - 8,

Nex way connector 20 - 8,

€3.84
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Nex 150 piece - k'nex, bundle

Nex 150 piece - k'nex, bundle

€5.02
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Vintage knex set dark green - knex,

Vintage knex set dark green - knex,

€11.45
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Nex beginner vehicles 10 - vehicles,

Nex beginner vehicles 10 - vehicles,

€12.41
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Knex vertical viper roller - vertical,

Knex vertical viper roller - vertical,

€10.80
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Kid nex rovin rollers 58 - kid,

Kid nex rovin rollers 58 - kid,

€9.99
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Nex set models - set, ref

Nex set models - set, ref

€20.00
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Nex bundle 7kg job - k'nex,

Nex bundle 7kg job - k'nex,

€20.00
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Nex creator 42001 set with - creator,

Nex creator 42001 set with - creator,

€4.38
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Nex model storage - 15,

Nex model storage - 15,

€6.52
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Nex rippin rocket roller - rippin,

Nex rippin rocket roller - rippin,

€42.30
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Nex model building - k'nex,

Nex model building - k'nex,

€9.73
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Mixed nex bundle - mixed, k'nex

Mixed nex bundle - mixed, k'nex

€9.73
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Nex thrill rides - k'nex,

Nex thrill rides - k'nex,

€26.70
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100 nex green 16mm - 100,

100 nex green 16mm - 100,

€2.51
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Nex model building - k'nex,

Nex model building - k'nex,

€29.30
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Nex education - education,

Nex education - education,

€4.38
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Nex imagine build - build's, set

Nex imagine build - build's, set

€4.91
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Nex motorised ferris wheel - motorised,

Nex motorised ferris wheel - motorised,

€24.10
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Nex rods x 128mm in - -,

Nex rods x 128mm in - -,

€3.31
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Nex multi constructor set in - multi-constructor,

Nex multi constructor set in - multi-constructor,

€9.72
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Nex models big - 50, value

Nex models big - 50, value

€21.50
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Vintage 1996 nex - vintage, k’nex

Vintage 1996 nex - vintage, k’nex

€6.52
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Knex mega motorcycle - knex,

Knex mega motorcycle - knex,

€14.95
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Knex corkscrew coaster - knex,

Knex corkscrew coaster - knex,

€16.15
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Rare vintage 1998 knex - vintage,

Rare vintage 1998 knex - vintage,

€26.70
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Nex musical ferris wheel - k'nex,

Nex musical ferris wheel - k'nex,

€31.90
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📊96 listings · from €1.19 · avg €19.44
⚠️ These listings were last updated more than 25 days ago. Search for fresh listings

Browse 96 knex listings currently in our index. Prices range from €1.19 to €199, with an average of €19.44. 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 €1.19, while premium listings can reach €199 — giving you a wide budget spread to work with. The average price of €19.44 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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