Knex
Knex for sale on Ireland's largest auction and classifieds sites
Knex large box with - large, - €16.15
Knex large box • Parts not full • Set has some - Free postage - New and Used
Knex large box • Parts not full • Set has some - Free postage - New and Used
Nex beginner fun fast - beginner, - €6.99
Nex imagine fast • Vehicles model building • Set lets you - Free postage - New and Used
Nex imagine fast • Vehicles model building • Set lets you - Free postage - New and Used
Nex assorted bundle job - assorted, - €5.98
You will receive • Large bag random • Assorted knex peices - Free postage - New and Used
You will receive • Large bag random • Assorted knex peices - Free postage - New and Used
Knex very good condition - knex, - €15.00
This nex builder • Set construction toy • Perfect young builders - Free postage - New and Used
This nex builder • Set construction toy • Perfect young builders - Free postage - New and Used
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Vintage nex sets - vintage, k'nex - €42.29
Sets nex all • Boxes are full • Pieces manuals instructions - Free postage - New and Used
Sets nex all • Boxes are full • Pieces manuals instructions - Free postage - New and Used
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48 listings · from €1.16 · avg €17.04
Browse 48 knex listings currently in our index. Prices range from €1.16 to €80, with an average of €17.04. 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 →
Knex building set - building, - €3.31
Used but still • Good condition please • See pictures some - Free postage - New and Used
Used but still • Good condition please • See pictures some - Free postage - New and Used
Knex set with instruction - knex, - €8.50
Knex set case • Instruction manual models • Includes rally car - Free postage - New and Used
Knex set case • Instruction manual models • Includes rally car - Free postage - New and Used
Nex model building - 52, - €16.15
Good condition only • Used couple times • Some pieces may - Free postage - New and Used
Good condition only • Used couple times • Some pieces may - Free postage - New and Used
Job lot bundle different - lot, - €12.99
Good batch mixed • Cogs - Free postage - New and Used
Good batch mixed • Cogs - Free postage - New and Used
Knex joblot - knex, - €20.00
Knex joblot collection • Nex interlocking blocks • Perfect construction enthusiasts - Free postage - New and Used
Knex joblot collection • Nex interlocking blocks • Perfect construction enthusiasts - Free postage - New and Used
Nex 38001 71695 mariokart - 38001/71695, - €10.80
- Free postage - New and Used
- Free postage - New and Used
Nex bundle job - k'nex, - €26.70
Please see photographs • These form part • Description large mixed - Free postage - New and Used
Please see photographs • These form part • Description large mixed - Free postage - New and Used
Nex knex wheels - k'nex, good - €2.99
- Free postage - New and Used
- Free postage - New and Used
Knex electronic arcade multi - arcade, - €20.00
Knex electronic arcade • Multi game building • Set gaming themed - Free postage - New and Used
Knex electronic arcade • Multi game building • Set gaming themed - Free postage - New and Used
Nex musical ferris wheel - ferris, - €31.90
This set • Nex musical ferris • 15133 unique construction - Free postage - New and Used
This set • Nex musical ferris • 15133 unique construction - Free postage - New and Used
Vintage 35035 45035 - vintage, k'nex - €31.90
This product vintage • Nex set approximately • 1100 pieces including - Free postage - New and Used
This product vintage • Nex set approximately • 1100 pieces including - Free postage - New and Used
Nex green battery powered - k’nex, - €11.81
Green nex motor • Tested working requires • 2xaa batteries - Free postage - New and Used
Green nex motor • Tested working requires • 2xaa batteries - Free postage - New and Used
Vtg nex speed squad - k’nex, set - €6.52
Vtg nex speed • Squad set original • Box 1996 knex - Free postage - New and Used
Vtg nex speed • Squad set original • Box 1996 knex - Free postage - New and Used
Knex bundle - knex, - €8.00
Bundle knex see • Pictures - Free postage - New and Used
Bundle knex see • Pictures - Free postage - New and Used
Knex lot 110 neon green - 110, - €15.99
- Free postage - New and Used
- Free postage - New and Used
Knex wheels with - , spare - €14.00
Nex tyres are • Part education product • Renowned brand construction - Free postage - New and Used
Nex tyres are • Part education product • Renowned brand construction - Free postage - New and Used
Nex assorted bundle - bundle, lot - €5.98
This listing bundle • Nex construction pieces • 280 assorted colours - Free postage - New and Used
This listing bundle • Nex construction pieces • 280 assorted colours - Free postage - New and Used
Kid knex bundle - , 110 - €7.59
Kid knex bundle - Free postage - New and Used
Kid knex bundle - Free postage - New and Used
Nex mario kart - k’nex, - €10.79
Retired set one • Mario kart banner • Motors bodies are - Free postage - New and Used
Retired set one • Mario kart banner • Motors bodies are - Free postage - New and Used
Nex 382 piece imagination - k'nex, - €9.73
Complete set instruction • Book included box • Nex 382 piece - Free postage - New and Used
Complete set instruction • Book included box • Nex 382 piece - Free postage - New and Used
Knex rad ridges model - knex, - €3.31
Knex rad ridges • Model building set • Fun engaging toy - Free postage - New and Used
Knex rad ridges • Model building set • Fun engaging toy - Free postage - New and Used
Vintage building knex 90s - knex, - €16.99
This product vintage • Nex set from • 90s classic yellow - Free postage - New and Used
This product vintage • Nex set from • 90s classic yellow - Free postage - New and Used
Knex nex ball and - knex, k'nex - €2.99
This your opportunity • Own knex nex • Ball socket black - Free postage - New and Used
This your opportunity • Own knex nex • Ball socket black - Free postage - New and Used
Nex bundle complete with - k'nex, - €12.06
Nex bundle includes • Complete set construction • Toys from renowned - Free postage - New and Used
Nex bundle includes • Complete set construction • Toys from renowned - Free postage - New and Used
Knex super mario land - mario, 3d - €80.00
Knex super mario • Land bowsers castle • Playset figures comes - Free postage - New and Used
Knex super mario • Land bowsers castle • Playset figures comes - Free postage - New and Used
Vintage 1996 nex - vintage, k’nex - €21.49
Includes great mixed • Selection rods connectors • Wheels building parts - Free postage - New and Used
Includes great mixed • Selection rods connectors • Wheels building parts - Free postage - New and Used
Nex roller coaster building - coaster, - €59.99
Includes 2400 parts • Constructing roller coaster • Loop ages colour - Free postage - New and Used
Includes 2400 parts • Constructing roller coaster • Loop ages colour - Free postage - New and Used
Nex blue rod 54mm - rod, x - €1.63
100 blue 54mm • Nex rods - Free postage - New and Used
100 blue 54mm • Nex rods - Free postage - New and Used
Nex beginner vehicles 10 - k'nex, - €9.99
Over 100 pieces • Included build variety • Different fast vehicles - Free postage - New and Used
Over 100 pieces • Included build variety • Different fast vehicles - Free postage - New and Used
Kid knex bundle - , approx - €15.08
Kid knex bundle - Free postage - New and Used
Kid knex bundle - Free postage - New and Used
Knex orange county choppers - orange, - €9.73
See more nex • Selling roller ciaster • Junior sets will - Free postage - New and Used
See more nex • Selling roller ciaster • Junior sets will - Free postage - New and Used
Kid knex bundle approx - knex, 130 - €10.80
Kid knex bundle - Free postage - New and Used
Kid knex bundle - Free postage - New and Used
Collection nex in - collection, of - €24.99
Rods are bent • Collection nex light • Grey way connectors - Free postage - New and Used
Rods are bent • Collection nex light • Grey way connectors - Free postage - New and Used
Nex vintage roller - k'nex, - €65.00
Nex roller coaster • 63030 instructions boxed • Should not need - Free postage - New and Used
Nex roller coaster • 63030 instructions boxed • Should not need - Free postage - New and Used
Kinex nex bundle 10kg - kinex, k'nex - €10.80
Kinex box full • All looked after • Very well selling - Free postage - New and Used
Kinex box full • All looked after • Very well selling - Free postage - New and Used
Knex blue rod - cm, 50 - €2.24
Knex 5.5 blue • Rod rods are - Free postage - New and Used
Knex 5.5 blue • Rod rods are - Free postage - New and Used
Nex tan beige - k'nex, tan/beige - €1.16
- Free postage - New and Used
- Free postage - New and Used
Nex light green - k'nex, 4-way - €2.90
Nex light green • Way connectors - Free postage - New and Used
Nex light green • Way connectors - Free postage - New and Used
Nex building set 417 - set, - €32.99
Create wow nex • Imagine creation zone • Model building set - Free postage - New and Used
Create wow nex • Imagine creation zone • Model building set - Free postage - New and Used
Kid knex bundle unboxed - bundle, 2 - €8.66
Both have instructions • Stretching friends sellotaped • But perfectly readable - Free postage - New and Used
Both have instructions • Stretching friends sellotaped • But perfectly readable - Free postage - New and Used
Nex knex 33017 - 33017, imagine - €4.38
Steamagination connection steam • Science technology engineering • Arts math child - Free postage - New and Used
Steamagination connection steam • Science technology engineering • Arts math child - Free postage - New and Used
Nex kforce build - build, & - €28.49
Nex kforce build • Blast flash fire • Motorised blaster open - Free postage - New and Used
Nex kforce build • Blast flash fire • Motorised blaster open - Free postage - New and Used
Nex pirate ship complete - k'nex, - €29.99
- Free postage - New and Used
- Free postage - New and Used
Try this: playmobil school bus
Shop by budget
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 48 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 €80 — giving you a wide budget spread to work with. The average price of €17.04 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.