This website requires JavaScript.

Red K'Nex Products for Sale

K'NEX Building Set
K'NEX Building Set
$15
Size: OS (Boy) K'Nex
artemisgroupllc artemisgroupllc
K'Nex Mini Ferris Wheel NWT Ages 5+ 48 Pcs
K'Nex Mini Ferris Wheel NWT Ages 5+ 48 Pcs
NWT
$25
Size: 48 pieces K'Nex
kunani130 kunani130
K'NEX Kids Construction Building Set - Multi-Color
K'NEX Kids Construction Building Set - Multi-Color
$25 $50
Size: OS (Boy) K'Nex
jencw21 jencw21
K'NEX 128 mm rods red, tan, grey
K'NEX 128 mm rods red, tan, grey
$70
Size: OS (Baby) K'Nex
denimjacket denimjacket
K'NEX Motorized Pacman Roller Coaster Amusement Ride
K'NEX Motorized Pacman Roller Coaster Amusement Ride
NWT
$59
Size: OS (Girl) K'NEX
sugabears04 sugabears04
K'NEX Bridges Introduction to Structures 207-Piece Set
K'NEX Bridges Introduction to Structures 207-Piece Set
$20
Size: OS (Boy) K'Nex
christinas_pmc christinas_pmc
K'NEX Mario Kart Wii Track Expansion Pack Red Yellow 19pc
K'NEX Twisted Lizard Roller Coaster Building Set 402 pc NIB
K'NEX Twisted Lizard Roller Coaster Building Set 402 pc NIB
NWT
$35
Size: OS (Baby) K'Nex
ambermprewitt ambermprewitt
K'NEX Innovation Station Building Set - Multicolor Construction Kit
K'NEX 3 way connector red, bright red, grey
K'NEX 3 way connector red, bright red, grey
$65
Size: OS (Baby) K'Nex
denimjacket denimjacket
K'NEX Mini Classics Ferris Wheel Building Set - 48 Pieces Kids Hobbie
K'Nex Classic Red Rods ~5 Inch Replacement Building‎ Toy Knex Part Qty 100
Toys - K'nex Clock Work Thrill Rides Building Set - Open Box - Contents Sealed
K'NEX Red 3-Way‎ Right Angle Connectors Bulk Lot of 156 Replacement Parts STEM
K'nex Mario Kart Wii Mario Luigi Starting Line Building Set Motorized Race Track
K'NEX Toy Building Set Bulk Lot Mixed Bundle Rods Connectors KNEX STEM Toy Rolle
K'NEX Education Levers and Pulleys Building Set - Rare!
K'NEX Education Levers and Pulleys Building Set - Rare!
$29 $50
Size: 178 pc K'Nex
lindafruin lindafruin
K'NEX Bulk Lot Parts Pieces Gears Rods Connectors Manuals Case +Over 300 pcs
Vintage 1996 K'NEX T-Rex‎ Instruction Manual 14123 24123 Multi-Color
K'NEX 1992 Motorcycle #10004 Toy w/instructions, Unopened
K'NEX 1992 Motorcycle #10004 Toy w/instructions, Unopened
NWT
$50
Size: OS (Boy) K'Nex
curatedclosetpa curatedclosetpa
K'Nex Classic Red Storage Case with Mixed Parts Expansion Stash
K'NEX-Style Kids Construction Set in Red, Yellow, Blue, White & Green
K'Nex Ages 5+ 141 Piece Building Set - Multi-Color Build Up To 40 Things!! NWT
K'NEX MarioKart Wii Mario Bike Building Set 31pc 38001 Nintendo 2013 New Box‎
K'NEX Cosmic Invaders Building Set New In Box! 118 Pieces
K'NEX Cosmic Invaders Building Set New In Box! 118 Pieces
NWT
$19
Size: OS (Boy) K'Nex
kobejordan kobejordan
Vtg K'nex Cool Drivin' Dragster Set Makes 3 models w motor/box, book, Orig Owner
Vtg K'nex Cool Drivin' Dragster Set Makes 3 models w motor/box, book, Orig Owner
$35
Size: Various size pieces included K'Nex
patchworkcloset patchworkcloset
K'NEX Imagine 70-Model Building Set — Multicolor Construction Kit
K'NEX Formula X 3 Model Racing Builder Set
K'NEX Formula X 3 Model Racing Builder Set
$18
Size: OS (Girl) K'Nex
sk8r819 sk8r819
Vintage K'Nex Pieces
Vintage K'Nex Pieces
$20
Size: OS (Boy) K'Nex
athomsson123 athomsson123
K'NEX + Storage Case
K'NEX + Storage Case
$15
Size: OS K'Nex
clovercloset3 clovercloset3
K’NEX Red Storage Hard Case K'nex 150+ K’nex Pieces Vintage 90s
K'nex replacement pieces lot
K'nex replacement pieces lot
$22
Size: one size K'NEX
thetrendyorchid thetrendyorchid
K'nex Building Set with 35 Models
K'nex Building Set with 35 Models
$30
Size: OS (Boy) K'Nex
dbobkovich dbobkovich
K'NEX Ferris Wheel Building Set
K'NEX Ferris Wheel Building Set
NWT
$42
Size: OS (Boy) K'nex
bluesky1959 bluesky1959
K'NEX Red Storage Case for Kids
K'NEX Red Storage Case for Kids
$23
Size: One size K'Nex
tina6516 tina6516
K'NEX Cyber K'nex Cybots Innovision Key Cards Programmable Robots Lot Of 9
Large Lot K'NEX Building Pieces 5 lbs
Large Lot K'NEX Building Pieces 5 lbs
$25
Size: OS (Boy) K'Nex
graycefull graycefull
K'nex K'nexosaurus Rex, Motorized dragon, 255 pieces, age 7+
K'nex K'nexosaurus Rex, Motorized dragon, 255 pieces, age 7+
$20 $60
Size: OS (Baby) K'nex
lady_hyatt lady_hyatt
K'NEX Deluxe Model Building Set - Red
K'NEX Deluxe Model Building Set - Red
$13
Size: NA K'Nex
soccer4kicks soccer4kicks
K'NEX Mario Kart Building Set Kids OS Multicolor New 38724 43pc Mario Figure
K'NEX Hyperspace K-Force Defense Station Building Set
K'NEX Hyperspace K-Force Defense Station Building Set
NWT
$13 $32
Size: OS K'Nex
innercityvinyl innercityvinyl
NIB K'NEX GONZO FOR GEARS BUILDING SET
NIB K'NEX GONZO FOR GEARS BUILDING SET
NWT
$35
Size: OS (Baby) K'NEX
kendrickc76 kendrickc76
K'nex Clock Work Roller Coaster, GG01730
K'nex Clock Work Roller Coaster, GG01730
$28 $80
Size: 15 PC Set K'NEX
minheather minheather
K'NEX K-Force K-20X Building Set - Build and Blast **Missing 1 Piece**
K'NEX - Vertical Viper Coaster Building Set
K'NEX - Vertical Viper Coaster Building Set
NWT
$28
Size: ‎12 x 9.5 x 2.3 inches K'Nex
yeshuda yeshuda
NEW K'nex Mechwarrior Knex Thor Series 2 2002
NEW K'nex Mechwarrior Knex Thor Series 2 2002
$39
Size: OS (Boy) K'nex
naazyk naazyk
K'NEX Alive! Fighting Phoenix Set (INCOMPLETE)
K'NEX Alive! Fighting Phoenix Set (INCOMPLETE)
$14
Size: OS (Boy) K'Nex
larryjustice larryjustice
K'NEX Intro to Structures: Bridges Set of 207 Pieces
K'NEX Intro to Structures: Bridges Set of 207 Pieces
$28 $58
Size: OS (Boy) K'Nex
camiesmom camiesmom

Shop K'Nex by Category

Shop K'Nex by Styles

Shop Other Colors