Knex roller coaster sets
Knex roller coaster sets for sale on Ireland's largest auction and classifieds sites
Nex vertical vengence roller - vengence, - £30.00
Roller coaster • Nex vertical vengeance • Building set sleek - Free postage - New and Used
Roller coaster • Nex vertical vengeance • Building set sleek - Free postage - New and Used
Nex vintage roller - roller, coaster - £73.50
Roller coaster • Loop version 63030 • Retired construction toy - Free postage - New and Used
Roller coaster • Loop version 63030 • Retired construction toy - Free postage - New and Used
Nex thrill rides - (with, k'nex - £29.87
All parts present • Working damage shown • Photos comes original - Free postage - New and Used
All parts present • Working damage shown • Photos comes original - Free postage - New and Used
Knex roller coaster colour - roller, - £89.40
Knex roller coaster • Colour coded construction • Set - Free postage - New and Used
Knex roller coaster • Colour coded construction • Set - Free postage - New and Used
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Knex lunar launch - , roller - £16.15
Roller coaster • Knex lunar launch • 2020 release from - Free postage - New and Used
Roller coaster • Knex lunar launch • 2020 release from - Free postage - New and Used
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48 listings · from £11.33 · avg £47.42
⚠️ These listings were last updated more than 21 days ago.
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Browse 48 knex roller coaster sets listings currently in our index. Prices range from £11.33 to £333.1, with an average of £47.42. 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 roller coaster sets →
Nex typhoon frenzy roller - k'nex, - £18.82
Roller coaster • Nex typhoon frenzy • Building set complete - Free postage - New and Used
Roller coaster • Nex typhoon frenzy • Building set complete - Free postage - New and Used
Nex electric inferno - k'nex, - £12.99
Nex electric inferno • Roller coaster set • Condition incomplete but - Free postage - New and Used
Nex electric inferno • Roller coaster set • Condition incomplete but - Free postage - New and Used
Nex thrill rides roller - thrill, - £38.29
Build working rollercoaster • 448 pieces nex • Amazin building set - Free postage - New and Used
Build working rollercoaster • 448 pieces nex • Amazin building set - Free postage - New and Used
Nex pac man roller coaster - k’nex, - £30.00
Pac man roller • Motorised function requires • Batteries item part - Free postage - New and Used
Pac man roller • Motorised function requires • Batteries item part - Free postage - New and Used
Knex roller coaster - knex, - £45.74
Knex roller coaster • Typhoon 649pcsuggested age • Our educational toy - Free postage - New and Used
Knex roller coaster • Typhoon 649pcsuggested age • Our educational toy - Free postage - New and Used
Nex roller coaster - roller, building - £207.66
Nex roller coaster • Building set model • 63030 vast construction - Free postage - New and Used
Nex roller coaster • Building set model • 63030 vast construction - Free postage - New and Used
Nex rippin rocket - rippin, - £42.30
Nex rippin rocket • Roller coaster complete • Set 1058 pieces - Free postage - New and Used
Nex rippin rocket • Roller coaster complete • Set 1058 pieces - Free postage - New and Used
Nex typhoon frenzy - typhoon, roller - £39.99
Build typhoon frenzy • Tsunami surge with640 • Colourful nex pieces - Free postage - New and Used
Build typhoon frenzy • Tsunami surge with640 • Colourful nex pieces - Free postage - New and Used
Knex thrill rides electric - knex, - £49.01
Roller coaster • Knex thrill rides • Set building toy - Free postage - New and Used
Roller coaster • Knex thrill rides • Set building toy - Free postage - New and Used
Nex thrill rides - rides, weaver - £21.56
Box has seen • Better days manual • Shows that been - Free postage - New and Used
Box has seen • Better days manual • Shows that been - Free postage - New and Used
Original nex vintage roller - original, - £14.99
Rail pipe only • Original nex vintage • Roller coaster 63030 - Free postage - New and Used
Rail pipe only • Original nex vintage • Roller coaster 63030 - Free postage - New and Used
Knex education stem - education, - £47.95
Knex education set • Motor - Free postage - New and Used
Knex education set • Motor - Free postage - New and Used
Nex stem explorations - stem, roller - £42.99
Set construction toy • Kids gift nex • Beginner builds building - Free postage - New and Used
Set construction toy • Kids gift nex • Beginner builds building - Free postage - New and Used
Nex foot roller coaster - k'nex, - £70.00
Roller coaster • Plastic construction set • Theme suitable ages - Free postage - New and Used
Roller coaster • Plastic construction set • Theme suitable ages - Free postage - New and Used
Knex roller coaster plus - 12, ft - £27.43
Knex roller coaster • Plus long set • That features powered - Free postage - New and Used
Knex roller coaster • Plus long set • That features powered - Free postage - New and Used
Knex nex thrill rides - knex, - £63.10
Knex nex thrill • Rides web weaver • Roller coaster building - Free postage - New and Used
Knex nex thrill • Rides web weaver • Roller coaster building - Free postage - New and Used
Nex electric inferno roller - electric, - £11.33
Great condition complete • Set - Free postage - New and Used
Great condition complete • Set - Free postage - New and Used
Nex shark run - k'nex, - £31.89
Nex shark run • Roller coaster building • Theme perfect children - Free postage - New and Used
Nex shark run • Roller coaster building • Theme perfect children - Free postage - New and Used
Nex electric inferno roller - electric, - £11.87
Nex building worlds • That kids love • This electric inferno - Free postage - New and Used
Nex building worlds • That kids love • This electric inferno - Free postage - New and Used
Nex roller coaster - k'nex, - £22.54
Nex roller coaster • Building set motor • Cart track used - Free postage - New and Used
Nex roller coaster • Building set motor • Cart track used - Free postage - New and Used
Nex cobweb curse roller - k'nex, - £16.15
This set roller • Coaster theme comes • Box packaging includes - Free postage - New and Used
This set roller • Coaster theme comes • Box packaging includes - Free postage - New and Used
Knex kracken revenge - kracken’s, - £27.41
Fun toy - Free postage - New and Used
Fun toy - Free postage - New and Used
Nex cobweb curse roller - cobweb, - £42.29
Made from durable • Plastic this electronic • Set suitable ages - Free postage - New and Used
Made from durable • Plastic this electronic • Set suitable ages - Free postage - New and Used
Nex sky sprinter - sky, - £208.70
Roller coaster • Nex sky sprinter • Motor building set - Free postage - New and Used
Roller coaster • Nex sky sprinter • Motor building set - Free postage - New and Used
Knex electric inferno roller - electric, - £21.50
Knex electric inferno • Roller coaster checked • Complete instructions - Free postage - New and Used
Knex electric inferno • Roller coaster checked • Complete instructions - Free postage - New and Used
Motorised nex amazin 8 - motorised, amazin' - £22.54
Amazin roller coaster • Set 448 piece • Plastic construction toy - Free postage - New and Used
Amazin roller coaster • Set 448 piece • Plastic construction toy - Free postage - New and Used
Vintage nex roller coaster - vintage, - £89.99
Good condition set • Might missing couple • Pieces but did - Free postage - New and Used
Good condition set • Might missing couple • Pieces but did - Free postage - New and Used
Nex twisted lizard - twisted, - £12.94
Roller coaster • Nex twisted lizard • Building set 15146 - Free postage - New and Used
Roller coaster • Nex twisted lizard • Building set 15146 - Free postage - New and Used
Nex amazin 8 motorised - k'nex, 8" - £39.99
Motorised chain lift • Easy follow instructions • Your child can - Free postage - New and Used
Motorised chain lift • Easy follow instructions • Your child can - Free postage - New and Used
Nex pac man roller - k’nex, coaster - £30.00
Nex pac man • Roller coaster building • Set motorised boxed - Free postage - New and Used
Nex pac man • Roller coaster building • Set motorised boxed - Free postage - New and Used
Nex amazin roller coaster - amazin', 8 - £23.00
Nex amazin roller • Coaster building set • Motor construction toy - Free postage - New and Used
Nex amazin roller • Coaster building set • Motor construction toy - Free postage - New and Used
Nex cobweb curse roller - k'nex, - £49.99
New does have • Slight box damage • But still sealed - Free postage - New and Used
New does have • Slight box damage • But still sealed - Free postage - New and Used
Nex thrill rides looping - thrill, - £30.00
Knex thrill rides • Looping light car • Roller coaster complete - Free postage - New and Used
Knex thrill rides • Looping light car • Roller coaster complete - Free postage - New and Used
Knex nex dinosaur drop - knex, - £15.08
Knex nex dinosaur • Drop thrill rides • Coaster set great - Free postage - New and Used
Knex nex dinosaur • Drop thrill rides • Coaster set great - Free postage - New and Used
Pacman roller coaster building - pacman, - £22.99
Pacman roller coaster • Building set nex • 2019 almost complete - Free postage - New and Used
Pacman roller coaster • Building set nex • 2019 almost complete - Free postage - New and Used
Pacman roller coaster building - roller, - £20.80
Brand new mostly • Unopened one package • Has been slightly - Free postage - New and Used
Brand new mostly • Unopened one package • Has been slightly - Free postage - New and Used
Nex thrill rides - k'nex, - £42.30
Bought this from • Argos years ago • Only built once - Free postage - New and Used
Bought this from • Argos years ago • Only built once - Free postage - New and Used
Nex clockwork roller coaster - clockwork, - £18.29
Opened box started • Build but unfinished • New condition 100 - Free postage - New and Used
Opened box started • Build but unfinished • New condition 100 - Free postage - New and Used
New knex thrill rides - thrill, infinite - £37.09
Excellent addition any • Nex collection stand • Alone set those - Free postage - New and Used
Excellent addition any • Nex collection stand • Alone set those - Free postage - New and Used
Nex thrill rides bionic - thrill, - £21.50
Bionic blast roller • Has been • Nex thrill rides - Free postage - New and Used
Bionic blast roller • Has been • Nex thrill rides - Free postage - New and Used
Nex 80216 amazin 8 coaster - k'nex, - £21.49
Nex 80216 amazin • Coaster building set • Popular construction toy - Free postage - New and Used
Nex 80216 amazin • Coaster building set • Popular construction toy - Free postage - New and Used
Nex build learn - build, - £39.71
Working roller coaster • Your child can • Explore stem concepts - Free postage - New and Used
Working roller coaster • Your child can • Explore stem concepts - Free postage - New and Used
Nex big ball factory set - big, - £333.10
Nex big ball • Factory set construction • Toy that allows - Free postage - New and Used
Nex big ball • Factory set construction • Toy that allows - Free postage - New and Used
Try this: lattice fence | lego 10185 | lego 10211 | lego 10228 | lego 3221 | lego 42009 | lego 42030 | lego 42043 | lego 75105 | lego 7662
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Everything you need to know about knex roller coaster sets
Whether you are looking for a brand-new or second-hand knex roller coaster sets, 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 £11.33, while premium listings can reach £333.1 — giving you a wide budget spread to work with. The average price of £47.42 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.