Knex
Knex for sale on Ireland's largest auction and classifieds sites
Budget picks — under £5
Nex white rods • 32mm - Free postage - New and Used
145 nex red • Way connectors - Free postage - New and Used
Nex orange way • Connectors - Free postage - New and Used
- Free postage - New and Used
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This your opportunity • Own set red • Nex pieces - Free postage - New and Used
Browse 48 knex listings currently in our index. Prices range from £1.19 to £52.69, with an average of £15.16. 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 →
This your opportunity • Own knex nex • Ball socket black - Free postage - New and Used
Nex white way • Connectors - Free postage - New and Used
Nex yellow way • Connectors - Free postage - New and Used
180 nex green • Way connectors - Free postage - New and Used
- Free postage - New and Used
Micro nex spare • Connectors - Free postage - New and Used
Knex motors cogs • Tested fully working • Extras made - Free postage - New and Used
Micro nex spare • Rods - Free postage - New and Used
Nex purple way • Connectors - Free postage - New and Used
Mixed pieces knex • Used good condition • Smoke free home - Free postage - New and Used
Genuine silver nex • Man good clean • Used condition - Free postage - New and Used
Mid-range — £5 to £16
This auction transport • Chopper produced nex • Pieces are all - Free postage - New and Used
Some may have • Nex bundle 180 • Pieces total used - Free postage - New and Used
This nex storage • Box good used • Condition few peices - Free postage - New and Used
Vgc age includes • Three building manuals - Free postage - New and Used
Product rare vintage • Nex set from • 2000 pieces being - Free postage - New and Used
Nex 43010 construction • Set yellow suitcase • Checked complete instructions - Free postage - New and Used
Over 100 pieces • Included build variety • Different fast vehicles - Free postage - New and Used
Item nex power • 21313 creative set • Great gift collector - Free postage - New and Used
Knex crusher tank • Set number 15297 • Contains 249 pieces - Free postage - New and Used
Over 350 pieces • Included together green • Hard case from - Free postage - New and Used
This nex set • Good condition clean • Plenty scuffing rips - Free postage - New and Used
This set • Nex thrill rides • Trex fury roller - Free postage - New and Used
Loads different pieces • Here free postage - Free postage - New and Used
There wear tear • Marks scratches age • Bromsgrove redditch wyre - Free postage - New and Used
This knex grey • Case set includes • Original building pieces - Free postage - New and Used
Don just walk • Design runway audrey • Her cat lacey - Free postage - New and Used
Premium — over £16
Nex thrill rides • Twisted lizard roller • Coaster set bright - Free postage - New and Used
Easy build parts • Nex beginner model • Building set 141 - Free postage - New and Used
Please see photos • What included this • Large bundle 2kg - Free postage - New and Used
Support communities bury • Radcliffe prestwich whitefield • Ramsbottom tottington unit - Free postage - New and Used
Vintage 1995 yellow • Knex carrying case • Nostalgic collectible item - Free postage - New and Used
1996 nex red • Plastic case contains • Two sets building - Free postage - New and Used
Utilize your imagination • Nex motorized creations • Building set variety - Free postage - New and Used
- Free postage - New and Used
- Free postage - New and Used
Create wow nex • Imagine creation zone • Model building set - Free postage - New and Used
Nex oodles pals • Models building construction • Toy set booghe - Free postage - New and Used
Build typhoon frenzy • Tsunami surge with640 • Colourful nex pieces - Free postage - New and Used
Knex architecture london • Eye motorized building • Set sealed bagged - Free postage - New and Used
Complete set motor • Working should battery • Included - Free postage - New and Used
Nex classic amusement • Park building set • Perfect gift christmas - Free postage - New and Used
100 complete see • Photos - Free postage - New and Used
Try this: lego city bus | lego spongebob sets | lego robot | joblot lego | lego technic tractor | lego dino | lego storage brick 8 | section roller | lego minifigures lot | lego 12v
🔥 Best eBay deals on knex
See all listings on eBay →These 48 listings for knex are the lowest-priced items currently in our index. Prices are sorted ascending so you can quickly gauge the market before going further.
K'nex White Rods 32mm x 55
Nex white rods • 32mm
£1
K'nex Red 3-Way Connectors x
145 nex red • Way connectors
£2
K'nex Orange 2-Way Connector x
Nex orange way • Connectors
£2
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 £1.19, while premium listings can reach £52.69 — giving you a wide budget spread to work with. The average price of £15.16 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.