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K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
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K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
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New/Sealed K'nex Knex Motorcycles 10003-Builds 3 Models---From 1995
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New/Sealed K'nex Knex Motorcycles 10003-Builds 3 Models---From 1995
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(1000) KNEX Red 3-Way Connectors - USED OEM - Standard
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K'nexosaurus Rex K'nex Building Set
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K'nex Classics K'nexosaurus Rex Building Set 11324 - 255Pcs
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K'nex Hyperspace Training Tower NEW Open Box Complete 63147 Electric Motor KNEX
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K'nex Hyperspace Training Tower NEW Open Box Complete 63147 Electric Motor KNEX
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K'nex - 3-In-1 Classic Amusement Park Building Set - 744 Pieces, Motorized, K...
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K'nex - 3-In-1 Classic Amusement Park Building Set - 744 Pieces, Motorized, K...
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K'nex Classics Motorized Creations Building Set
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K'nex Classics Motorized Creations Building Set
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K'nex Architecture
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Vintage NEW 1999 Knex Knex Lightning Racers 11045 Building Kit Builds 3 Models
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Built 1/72: German Focke-Wulf Fw 1000 X 1000 X 1000 B Aircraft Luft46
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K'nex Mech Warrior Rare Vulture Kit 2001 New/Sealed
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K'nex Hyperspace Commando Outpost Model 33041 Mixed Huge Lot 1997 11LB
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BRAND NEW K'nex Mega Motorized Deluxe Building Set Steamagination 967 Pieces
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K'nex 744-Piece 3-In-1 Classic Amusement Park Building Set
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New In Open Box K'nex DISCOVERY BUILDING SET 12147 Vintage 2000 20 Models Age 6
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1999 K'nex Cool Machines FORMULA RACERS 400Pc Moving Model Kit 12016
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Blowing Entertainment on Instagram: "A roller coaster model made with K’NEX is an exciting and interactive way to explore engineering principles and creative design. The model typically includes various components such as tracks, supports, and connectors, which are carefully assembled to replicate the twists, turns, and drops of a real roller coaster. Using K’NEX, builders can experiment with different track layouts, incorporating loops, sharp curves, and steep inclines, all while testing the mo
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Blowing Entertainment on Instagram: "A roller coaster mode…
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Shop 1000 K'NEX Models

Sponsored
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$56.18
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
2K+
Free shipping
$56.18
K'nex - 100 Model Building Set 863 Pieces, STEM Building, Kid Construction Set Ages 7+
Amazon.com
2K+
$36.99
New/Sealed K'nex Knex Motorcycles 10003-Builds 3 Models---From 1995
eBay
$36.99
New/Sealed K'nex Knex Motorcycles 10003-Builds 3 Models---From 1995
eBay
$41.95
(1000) KNEX Red 3-Way Connectors - USED OEM - Standard
eBay
1
Free shipping
$41.95
(1000) KNEX Red 3-Way Connectors - USED OEM - Standard
eBay
1
$24.99
K'nexosaurus Rex K'nex Building Set
Hobby Lobby
118
$24.99
K'nexosaurus Rex K'nex Building Set
Hobby Lobby
118
$28.99
K'nex KISS Buildable Figures - Series 1
eBay
9
Free shipping
$28.99
K'nex KISS Buildable Figures - Series 1
eBay
9
$24.95
K'nex Building Toys
eBay
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$24.95
K'nex Building Toys
eBay
Free shipping
$75.00
K'nex Classics K'nexosaurus Rex Building Set 11324 - 255Pcs
eBay
$75.00
K'nex Classics K'nexosaurus Rex Building Set 11324 - 255Pcs
eBay
$16.57
$19.49
K'nex Imagine 10 Model Building Set Construction Toy Sealed 5-10 Us
eBay
14% off
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$19.49
K'nex Imagine 10 Model Building Set Construction Toy Sealed 5-10 Us
eBay
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K'nex Plane Building Set
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K'nex Plane Building Set
eBay
$51.60
K'nex Pac-Man Series 1 Mystery Figure Bag Set
Walmart
1
Free shipping
$51.60
K'nex Pac-Man Series 1 Mystery Figure Bag Set
Walmart
1
$249.95
K'nex Hyperspace Training Tower NEW Open Box Complete 63147 Electric Motor KNEX
eBay
1
Free shipping
$249.95
K'nex Hyperspace Training Tower NEW Open Box Complete 63147 Electric Motor KNEX
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1
$98.09
K'nex - 3-In-1 Classic Amusement Park Building Set - 744 Pieces, Motorized, K...
eBay
6
Free shipping
$98.09
K'nex - 3-In-1 Classic Amusement Park Building Set - 744 Pieces, Motorized, K...
eBay
6
$49.85
K'nex Classics Motorized Creations Building Set
Walmart
5
Free shipping
$49.85
K'nex Classics Motorized Creations Building Set
Walmart
5
$35.00
K'nex Architecture
eBay
$35.00
K'nex Architecture
eBay
$24.99
Vintage NEW 1999 Knex Knex Lightning Racers 11045 Building Kit Builds 3 Models
eBay
Free shipping
$24.99
Vintage NEW 1999 Knex Knex Lightning Racers 11045 Building Kit Builds 3 Models
eBay
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$44.96
Large Lot Of K'nex Building Toys
eBay
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$44.96
Large Lot Of K'nex Building Toys
eBay
Free shipping
$29.75
$59.50
Built 1/72: German Focke-Wulf Fw 1000 X 1000 X 1000 B Aircraft Luft46
eBay
50% off
$29.75
$59.50
Built 1/72: German Focke-Wulf Fw 1000 X 1000 X 1000 B Aircraft Luft46
eBay
$79.99
K'nex Mech Warrior Rare Vulture Kit 2001 New/Sealed
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$79.99
K'nex Mech Warrior Rare Vulture Kit 2001 New/Sealed
eBay
Free shipping