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- Construction Toy Complete Sets & Packs
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1,290 results

New listingK'NEX 4WD 4 Wheel Drive Truck Building Set - 320 Pieces 3 models Gift NEW
Brand new · K'NEX
£9.95
£2.95 P&P
Click & Collect
Knex Big Ball Factory- 3000+ pieces+ extra set included
Pre-owned · K'NEX
£104.67
£5.21 P&P
0 bids
3d 9h
K'NEX Big Ball Factory Builders Challenge Set 63045 Vintage, 3000+ Pieces - 1995
Pre-owned · K'NEX
£60.00
or Best Offer
Free postage
Click & Collect
K’NEX Education | STEM Explorations | Levers & Pulleys Set | 79319 | 139 Pcs
Pre-owned · K'NEX
£10.78
or Best Offer
£2.94 P&P
Click & Collect
Knex Mixed Pieces Bundle
Pre-owned · K'NEX
£4.90
£4.06 P&P
0 bids
12h 2m
K'nex Buliding Set 125 Pieces
Brand new · K'NEX
£11.99
or Best Offer
£3.45 P&P
Click & Collect
K’NEX Knex 5kg Large Bundle Inc Rods Connectors Cogs Pieces Toys Wheels STEM
Pre-owned · K'NEX
£39.95
or Best Offer
£4.87 P&P
Click & Collect
Job Lot Bundle of 51 Different Knex K'NEX Cogs.
Pre-owned · K'NEX
£12.99
or Best Offer
£2.90 P&P
Click & Collect
197 sold
K'NEX Jumbo Jet Building Set 57 Pieces Kids Educational Toys STEM Learning Kit
Brand new · K'NEX
£11.99
Free postage
Click & Collect
Kid Knex Building Zone Buddies Build Set 30 Pieces With Instructions
Pre-owned · K'NEX
£9.17
or Best Offer
£2.94 P&P
New listingKNEX MarioKart Wii #38001/71695 Mario & Standard Bike Building Set (Sealed) 31pc
Pre-owned · K'NEX
£16.12
or Best Offer
£3.64 P&P
KNEX - K'Nex Ball and socket black set of 10
Pre-owned · K'NEX
£2.99
£1.50 P&P
391 sold
K'Nex Imagine 45510, Beginner Fun Fast Vehicles Building Set, Construction Sens
Brand new · K'NEX
£12.37
Free postage
Only 1 left.
Vintage K'NEX Roller Coaster Building Set (Model #63030) 1995 100% complete
Pre-owned · K'NEX
£63.07
£5.64 P&P
Knex Spring Motors Pack - Set Of 3
Pre-owned · K'NEX
£8.63
or Best Offer
£2.94 P&P
K’nex Job Lot Including wheels Instruction Manuals Vehicles Knex Pieces
Pre-owned · K'NEX
£21.48
or Best Offer
£4.06 P&P
K'NEX Racing Fun 10 Model Building Set 115pcs Ages 5+ Collectors Set 16603/69943
Brand new · K'NEX
£12.92
or Best Offer
£2.94 P&P
Click & Collect
K'NEX KNEX - Choose Replacement Instructions & Model Building Manuels
Pre-owned · K'NEX
£2.95 to £12.95
Free postage
Kid knex bundle 2 sets in storage case
Pre-owned · K'NEX
£8.64
or Best Offer
£3.38 P&P
KNEX Catalogue 1996/7 clean condition
Pre-owned · K'NEX
£1.13
or Best Offer
Free postage
0 bids
4h 3m
Kid knex bundle 2 sets
Pre-owned · K'NEX
£8.64
or Best Offer
£3.38 P&P
New listingKNEX Large Set Orange Carry Case Rods Wheels Cogs Clips Building Construction
Pre-owned · K'NEX
£9.99
£5.15 P&P
Click & Collect
0 bids
9d 12h
Knex Orange Box With Large Bundle Of Wheels, Rods, Cogs,Axles
Pre-owned · K'NEX
£10.78
or Best Offer
£5.21 P&P
K'NEX Boxed Job Lot Boxed Sealed Sets Manuals Complete Sets K-Nex Bundle Storage
New (other) · K'NEX
£64.97
or Best Offer
£6.80 P&P
Click & Collect
Kid knex bundle 2 sets in storage case - USED - around 50 parts only
Pre-owned · K'NEX
£5.43
or Best Offer
£2.94 P&P
New listingKid knex bundle 2 sets zoo buddies and rockin robots
Pre-owned · K'NEX
£8.64
or Best Offer
£3.38 P&P
K’NEX Building Set Create 50 Models Includes 417pcs in Storage Tub for Ages 5+
Brand new · K'NEX
(4)
£30.99
Free postage
Click & Collect
39 sold
K'NEX Racing Fun Set 11554 Plus Carry Travel Case - Inc Instructions
Pre-owned · K'NEX
£1.13
£3.38 P&P
0 bids
14h 17m
Knex Loopin Lizard Set - Untested
Pre-owned · K'NEX
£10.78
or Best Offer
£2.94 P&P
K'NEX Construction Set in Orange Case with Various Pieces - #9002
Pre-owned · K'NEX
£14.99
£5.95 P&P
Click & Collect
K'nex Large Blue Carry Case with Parts
New (other) · K'NEX
£16.13
or Best Offer
£5.15 P&P
Robot Toy Building own robot science set robot STEM 12 in 1 Solar kids toy NEW
Brand new
£10.77
or Best Offer
£4.00 P&P
Click & Collect
KNEX K’nex large 50 Model Set of KNEX job lot Bundle, 3 manuals & Motor 2kg
Pre-owned · K'NEX
£14.95
£6.90 P&P
Click & Collect
knex red cogs spare set of 6.
Pre-owned · K'NEX
£2.99
£1.90 P&P
233 sold
K'NEX Classics 125 Pc 10 Model Beginner Builds Building Set Children's STEM Toy
Brand new · Basic Fun
£12.49
Free postage
Click & Collect
K’NEX KNEX Mecha Strike Roller Coaster Set Motorized Thrill Ride (94% Complete)
Pre-owned · K'NEX
(2)
£11.95
£5.15 P&P
KNEX 3-IN-1 Classic Amusement Park Building Set (Yrs 9+) Battery Powered
Pre-owned · K'NEX
£25.64
or Best Offer
£3.38 P&P
Click & Collect
K’NEX Knex 2kg Bundle Inc COMPLETE Street Mods 12023 & Moto Bot Spider 12153 Set
Pre-owned · K'NEX
£15.08
or Best Offer
£3.99 P&P
Click & Collect
Huge K’nex Bundle With 4 Sets In One Box With Instructions Plus Motorised Unit
Pre-owned · K'NEX
£10.78
£5.21 P&P
0 bids
2d 15h
2x K'nex Flex1211- 12011 Sets, Large Instructions," new way To Build"Set.
Pre-owned · K'NEX
£16.13
£4.99 P&P
Click & Collect
K’Nex Ferris Wheel Complete With Box And Instructions
Pre-owned · K'NEX
£5.43
or Best Offer
£5.21 P&P
0 bids
1d 5h
K'NEX 30 MODEL BUILDING SET ~ WITH RED MEGA STORAGE BOX ~ VINTAGE
Pre-owned · K'NEX
£10.77
£3.71 P&P
K'NEX Job Lot Sets Manuals Complete Sets Bundle Storage Mixed Instructions Toys
Pre-owned · K'NEX
£52.68
or Best Offer
£6.65 P&P
KNEX Large Motorised Set Carry Blue Case Motors Building Instruction Booklets
Pre-owned · K'NEX
£11.99
£5.15 P&P
Click & Collect
1 bid
2d 12h
K'nex Job Lot Bundle of 51 Different Knex K'NEX Cogs/Gears.
Pre-owned · K'NEX
£10.00
or Best Offer
£3.49 P&P
K'NEX Two Sets
Pre-owned · K'NEX
£2.10
£3.38 P&P
2 bids
4h 57m
Knex Imagine 417 Pieces Creation Zone Building Set Storage Box RRP £31.99 Age 5+
Pre-owned · K'NEX
(4)
£10.77
or Best Offer
£3.71 P&P
MASSIVE mixed Bundle K'NEX Cases, Wheels, Motors, Box Set, Parts, Pieces Job Lot
Pre-owned · K'NEX
£135.00
or Best Offer
£12.95 P&P
Click & Collect
K’nex Joblot With Manuals, Over 3kg. Preowned
Pre-owned · K'NEX
£10.78
£5.21 P&P
Knex Revolution Ferris Wheel Building Set Construction 15408 Motor Nearly Full
Pre-owned · K'NEX
(14)
£12.99
or Best Offer
Free postage
Click & Collect
K'nex Knex Lunch Box
Brand new · K'NEX
£7.04
£2.94 P&P
3 watching
New listingK'NEX Storm Mountain Roller Coaster Set Glow In The Dark 4ft Track New Unused
New (other) · K'NEX
£9.99
£4.99 P&P
Click & Collect
1 bid
6d 13h
K'Nex Imagine 45510 Beginner Fun Fast Vehicles Building Set Construction Toy
New (other) · K'NEX
£7.95
or Best Offer
Free postage
Click & Collect
Empty Vintage 1997 Red Knex Storage Case ideal for Knex or other building sets
Pre-owned · K'NEX
£4.35
or Best Offer
£3.38 P&P
Kid K'nex Zoo Friends Building Set. Boxed COMPLETE. Makes 30 Models. 55 pieces
Pre-owned · K'NEX
£8.99
or Best Offer
£3.38 P&P
K'NEX 3-in-1 Classic Amusement Park Building Set (9+ Years)
Brand new · K'NEX
(9)
£54.76
Free postage
Click & Collect
Only 1 left.
Knex Building Set 417 pieces 50 builds, good condition
Pre-owned · K'NEX
(4)
£16.13
£3.71 P&P
Kid K'NEX Dino Dude Building Kit Complete Set with Instructions
Pre-owned · K'NEX
(2)
£10.78
£3.38 P&P
Basic Fun 85053 Kid KNEX Zoomin Buddies 20 Model Building Set 48pc, Multi-Colo
Brand new · Basic Fun
£22.93
Free postage
9 watching
Knex Circular Sign- 9cm Diameter- Knex Rare Piece- discontinued
Pre-owned · K'NEX
£6.99
or Best Offer
£2.94 P&P

Best selling

See all

Cobi 5758 - WWII Avro Lancaster B. III Dambuster - Executive Edition -
£106.69 New
Cobi 5757 - Historical Collection - World War II - Horten Ho 229 -
(1)
£59.95 New
CaDA Master Series Mazda RX-7 - RC Control - 1 8 3305 Piece Brick Kit - C61502W
£199.95 New
COBI 5749 Boeing B-17F Flying Fortress Memphis Belle 1 48 Brick Model
£84.95 New
£53.76 Used
CaDA C66022W Man City Etihad Football Stadium Brick Model 4473pcs
£197.99 New
COBI 5759 Avro Lancaster B Mk.III HC WWII 1 48 Brick Model 1595pcs
£99.44 New
Cada Master C61056W Goliath Bulldozer RC
£174.99 New
CaDA C61036W Humvee C61036W
£159.45 New

Top-rated

See all

Mega Bloks DCH55 Classic 60 Pieces Buildable Bag
(65)

100% agree - Durable
£9.23 New
£5.43 Used
Meccano 6040178 10-in-1 Model Race Truck
(17)

93% agree - Durable
£11.00 New
£9.17 Used
Sticklebricks Little Builder Construction Set - TCK08000
(48)

100% agree - Durable
£6.99 New
ROKR Marble Night City 3D Puzzle Kit - LGA01
(6)

75% agree - Durable
£39.95 New

Knex Set

Shop by category

1,290 results

New listingK'NEX 4WD 4 Wheel Drive Truck Building Set - 320 Pieces 3 models Gift NEW

Knex Big Ball Factory- 3000+ pieces+ extra set included

K'NEX Big Ball Factory Builders Challenge Set 63045 Vintage, 3000+ Pieces - 1995

K’NEX Education | STEM Explorations | Levers & Pulleys Set | 79319 | 139 Pcs

Knex Mixed Pieces Bundle

K'nex Buliding Set 125 Pieces

K’NEX Knex 5kg Large Bundle Inc Rods Connectors Cogs Pieces Toys Wheels STEM

Job Lot Bundle of 51 Different Knex K'NEX Cogs.

K'NEX Jumbo Jet Building Set 57 Pieces Kids Educational Toys STEM Learning Kit

Kid Knex Building Zone Buddies Build Set 30 Pieces With Instructions

New listingKNEX MarioKart Wii #38001/71695 Mario & Standard Bike Building Set (Sealed) 31pc

KNEX - K'Nex Ball and socket black set of 10

K'Nex Imagine 45510, Beginner Fun Fast Vehicles Building Set, Construction Sens

Vintage K'NEX Roller Coaster Building Set (Model #63030) 1995 100% complete

Knex Spring Motors Pack - Set Of 3

K’nex Job Lot Including wheels Instruction Manuals Vehicles Knex Pieces

K'NEX Racing Fun 10 Model Building Set 115pcs Ages 5+ Collectors Set 16603/69943

K'NEX KNEX - Choose Replacement Instructions & Model Building Manuels

Kid knex bundle 2 sets in storage case

KNEX Catalogue 1996/7 clean condition

Kid knex bundle 2 sets

New listingKNEX Large Set Orange Carry Case Rods Wheels Cogs Clips Building Construction

Knex Orange Box With Large Bundle Of Wheels, Rods, Cogs,Axles

K'NEX Boxed Job Lot Boxed Sealed Sets Manuals Complete Sets K-Nex Bundle Storage

Kid knex bundle 2 sets in storage case - USED - around 50 parts only

New listingKid knex bundle 2 sets zoo buddies and rockin robots

K’NEX Building Set Create 50 Models Includes 417pcs in Storage Tub for Ages 5+

K'NEX Racing Fun Set 11554 Plus Carry Travel Case - Inc Instructions

Knex Loopin Lizard Set - Untested

K'NEX Construction Set in Orange Case with Various Pieces - #9002

K'nex Large Blue Carry Case with Parts

Robot Toy Building own robot science set robot STEM 12 in 1 Solar kids toy NEW

KNEX K’nex large 50 Model Set of KNEX job lot Bundle, 3 manuals & Motor 2kg

knex red cogs spare set of 6.

K'NEX Classics 125 Pc 10 Model Beginner Builds Building Set Children's STEM Toy

K’NEX KNEX Mecha Strike Roller Coaster Set Motorized Thrill Ride (94% Complete)

KNEX 3-IN-1 Classic Amusement Park Building Set (Yrs 9+) Battery Powered

K’NEX Knex 2kg Bundle Inc COMPLETE Street Mods 12023 & Moto Bot Spider 12153 Set

Huge K’nex Bundle With 4 Sets In One Box With Instructions Plus Motorised Unit

2x K'nex Flex1211- 12011 Sets, Large Instructions," new way To Build"Set.

K’Nex Ferris Wheel Complete With Box And Instructions

K'NEX 30 MODEL BUILDING SET ~ WITH RED MEGA STORAGE BOX ~ VINTAGE

K'NEX Job Lot Sets Manuals Complete Sets Bundle Storage Mixed Instructions Toys

KNEX Large Motorised Set Carry Blue Case Motors Building Instruction Booklets

K'nex Job Lot Bundle of 51 Different Knex K'NEX Cogs/Gears.

K'NEX Two Sets

Knex Imagine 417 Pieces Creation Zone Building Set Storage Box RRP £31.99 Age 5+

MASSIVE mixed Bundle K'NEX Cases, Wheels, Motors, Box Set, Parts, Pieces Job Lot

K’nex Joblot With Manuals, Over 3kg. Preowned

Knex Revolution Ferris Wheel Building Set Construction 15408 Motor Nearly Full

K'nex Knex Lunch Box

New listingK'NEX Storm Mountain Roller Coaster Set Glow In The Dark 4ft Track New Unused

K'Nex Imagine 45510 Beginner Fun Fast Vehicles Building Set Construction Toy

Empty Vintage 1997 Red Knex Storage Case ideal for Knex or other building sets

Kid K'nex Zoo Friends Building Set. Boxed COMPLETE. Makes 30 Models. 55 pieces

K'NEX 3-in-1 Classic Amusement Park Building Set (9+ Years)

Knex Building Set 417 pieces 50 builds, good condition

Kid K'NEX Dino Dude Building Kit Complete Set with Instructions

Basic Fun 85053 Kid KNEX Zoomin Buddies 20 Model Building Set 48pc, Multi-Colo

Knex Circular Sign- 9cm Diameter- Knex Rare Piece- discontinued

Best selling

Cobi 5758 - WWII Avro Lancaster B. III Dambuster - Executive Edition -

Cobi 5757 - Historical Collection - World War II - Horten Ho 229 -

CaDA Master Series Mazda RX-7 - RC Control - 1 8 3305 Piece Brick Kit - C61502W

COBI 5749 Boeing B-17F Flying Fortress Memphis Belle 1 48 Brick Model

CaDA C66022W Man City Etihad Football Stadium Brick Model 4473pcs

COBI 5759 Avro Lancaster B Mk.III HC WWII 1 48 Brick Model 1595pcs

Cada Master C61056W Goliath Bulldozer RC

CaDA C61036W Humvee C61036W

Top-rated

Mega Bloks DCH55 Classic 60 Pieces Buildable Bag

Meccano 6040178 10-in-1 Model Race Truck

Sticklebricks Little Builder Construction Set - TCK08000

ROKR Marble Night City 3D Puzzle Kit - LGA01

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