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K'nex Super Mario Brothers Mystery Bag - Series 8 -  K'NEX - Toys"R"Us
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4.5

(74 reviews)

K'nex Super Mario Brothers Mystery Bag - Series 8
$3.99
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Ships Free with a purchase of $29 or more!**
K'NEX Hornet Swarm Roller Coaster 617 Pieces Building Set -  K'NEX - Toys"R"Us
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4.5

(47 reviews)

K'NEX Hornet Swarm Roller Coaster 617 Pieces Building Set
$39.99 $24.98
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Ships Free with a purchase of $29 or more!**
K'NEX 50 Model Big Value Tub -  K'NEX - Toys"R"Us
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4.5

(61 reviews)

K'NEX 50 Model Big Value Tub
$19.99 $14.98
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Ships Free with a purchase of $29 or more!**
K-FORCE 10 Dart Pack + Target -  K'NEX - Toys"R"Us
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4

(14 reviews)

K-FORCE 10 Dart Pack + Target
$5.99
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K-FORCE 30 Dart Pack + Target -  K'NEX - Toys"R"Us
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4

(29 reviews)

K-FORCE 30 Dart Pack + Target
$9.99
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Ships Free with a purchase of $29 or more!**
MarioKart 8 Building Set - Mario Kart -  K'NEX - Toys"R"Us
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MarioKart 8 Building Set - Mario Kart
$14.99 $10.99
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MarioKart8 Building Set - Princess Peach Kart -  K'NEX - Toys"R"Us
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3

(2 reviews)

MarioKart8 Building Set - Princess Peach Kart
$14.99 $10.99
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Ships Free with a purchase of $29 or more!**
Runway Designer Building Set -  K'NEX - Toys"R"Us
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Runway Designer Building Set
$16.99 $14.99
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Ships Free with a purchase of $29 or more!**
K'NEX Robo-Creatures - Strike -  K'NEX - Toys"R"Us
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4.5

(3 reviews)

K'NEX Robo-Creatures - Strike
$14.99
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Ships Free with a purchase of $29 or more!**
Up, Up & Away Building Set -  K'NEX - Toys"R"Us
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5

(1 reviews)

Up, Up & Away Building Set
$16.99 $14.99
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Ships Free with a purchase of $29 or more!**
K'NEX Mighty Makers Director's Cut Building Set 308 Pieces -  K'NEX - Toys"R"Us
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K'NEX Mighty Makers Director's Cut Building Set 308 Pieces
$29.99 $24.99
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Lincoln Log Country Meadow Cottage -  K'NEX - Toys"R"Us
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5

(38 reviews)

Lincoln Log Country Meadow Cottage
$36.99 $27.99
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Ships Free with a purchase of $29 or more!**
K'NEX Education - Intro To Simple Machines: Gears -  K'NEX - Toys"R"Us
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5

(6 reviews)

K'NEX Education - Intro To Simple Machines: Gears
$39.99 $29.98
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Ships Free with a purchase of $29 or more!**
K'NEX Education - Wheels, Axles and Inclined Planes -  K'NEX - Toys"R"Us
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5

(6 reviews)

K'NEX Education - Wheels, Axles and Inclined Planes
$39.99 $29.98
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Ships Free with a purchase of $29 or more!**
K'NEX Clock Work Roller Coaster Building Set 305 Pieces -  K'NEX - Toys"R"Us
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3

(3 reviews)

K'NEX Clock Work Roller Coaster Building Set 305 Pieces
$29.99
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Ships Free with a purchase of $29 or more!**
K'Nex World Travels Building Set 403 Pieces -  K'NEX - Toys"R"Us
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K'Nex World Travels Building Set 403 Pieces
$32.99
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Ships Free with a purchase of $29 or more!**
Mighty Makers Inventor's Clubhouse Building Set -  K'NEX - Toys"R"Us
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4

(14 reviews)

Mighty Makers Inventor's Clubhouse Building Set
$49.99 $39.99
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Ships Free with a purchase of $29 or more!**
Combat Crew 5-in-1 Building Set -  K'NEX - Toys"R"Us
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4.5

(17 reviews)

Combat Crew 5-in-1 Building Set
$39.99
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  • Free Store Pickup in an Hour
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Ships Free with a purchase of $29 or more!**
K'NEX Education - Elementary Math and Geometry -  K'NEX - Toys"R"Us
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5

(1 reviews)

K'NEX Education - Elementary Math and Geometry
$39.99
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Ships Free with a purchase of $29 or more!**
K'NEX Education - Simple and Compound Machines -  K'NEX - Toys"R"Us
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4.5

(2 reviews)

K'NEX Education - Simple and Compound Machines
$59.99 $49.98
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Ships Free with a purchase of $29 or more!**
K'NEX Education - DNA Replication and Transcription -  K'NEX - Toys"R"Us
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5

(15 reviews)

K'NEX Education - DNA Replication and Transcription
$54.99
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Ships Free with a purchase of $29 or more!**
K'NEX Education - Exploring Wind and Water Energy -  K'NEX - Toys"R"Us
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3.5

(128 reviews)

K'NEX Education - Exploring Wind and Water Energy
$69.99 $59.98
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Ships Free with a purchase of $29 or more!**
K'NEX Education - Intermediate Math and Geometry -  K'NEX - Toys"R"Us
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K'NEX Education - Intermediate Math and Geometry
$119.99
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Ships Free with a purchase of $29 or more!**
K'NEX Education - Forces, Energy and Motion -  K'NEX - Toys"R"Us
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5

(2 reviews)

K'NEX Education - Forces, Energy and Motion
$134.99
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  • Free Store Pickup
Ships Free with a purchase of $29 or more!**

Showing 1 - 24 of 50 results
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