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New Knex DNA Replication Stem Science kit Teacher Classroom Homeschool - BKK-9
New Knex DNA Replication Stem Science kit Teacher Classroom Homeschool - BKK-9

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Stemnex V8 Engine Model Kit Amazing Toys New
Stemnex V8 Engine Model Kit Amazing Toys New

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K'nex 78630 STEM Education Simple Machines: Gears Building Set 198pcs Ages8+ New
K'nex 78630 STEM Education Simple Machines: Gears Building Set 198pcs Ages8+ New

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KNEX Imagine: Click And Construct Value Set 522 Pieces, 35 Models, STEM Model
KNEX Imagine: Click And Construct Value Set 522 Pieces, 35 Models, STEM Model

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15 Knex Gears Red & Yellow Crown Med & Small K'nex Education Part Assortment
15 Knex Gears Red & Yellow Crown Med & Small K'nex Education Part Assortment

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12 Knex Red Gears for Large Chain - K'nex Stem Education Teacher Parts
12 Knex Red Gears for Large Chain - K'nex Stem Education Teacher Parts

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Race Car Construction Set #6226 Stainless Steel Kit 127 Pc Mud Puddle New STEM
Race Car Construction Set #6226 Stainless Steel Kit 127 Pc Mud Puddle New STEM

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15 Knex Gears Silver & Black Crown Med & Small K'nex Education Parts
15 Knex Gears Silver & Black Crown Med & Small K'nex Education Parts

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Science Squad STEM Kart Racer Metal Kit Build Your Own Racer NIB
Science Squad STEM Kart Racer Metal Kit Build Your Own Racer NIB

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New Stemnex V8 Combustion Engine Model Kit - 270 Pieces - 393405 - 1/8 Scale
New Stemnex V8 Combustion Engine Model Kit - 270 Pieces - 393405 - 1/8 Scale

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Jurassic World Triceratops STEM Fossil Strikers Mattel Park 2018 Dinosaur Trike
Jurassic World Triceratops STEM Fossil Strikers Mattel Park 2018 Dinosaur Trike

$21.99

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K’NEX Imagine: 100 Model Building Set – 863 Pieces, STEM Learning New Sealed
K’NEX Imagine: 100 Model Building Set – 863 Pieces, STEM Learning New Sealed

$45.00

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K'nex Corkscrew Canyon Set Thrill Ride Kit Vintage Roller Coaster Complete
K'nex Corkscrew Canyon Set Thrill Ride Kit Vintage Roller Coaster Complete

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K'nex Toys Building Toys STEM Classroom Educational Assortment Replace Pieces
K'nex Toys Building Toys STEM Classroom Educational Assortment Replace Pieces

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K'nex Electronic Arcade Toys Gifts Vintage
K'nex Electronic Arcade Toys Gifts Vintage

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K'NEX Education STEM Explorations: Roller Coaster Building 77078 - 546 Pieces
K'NEX Education STEM Explorations: Roller Coaster Building 77078 - 546 Pieces

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Knex Motor Education Solar Motor w/Battery Pack - K'nex Stem Part Tested
Knex Motor Education Solar Motor w/Battery Pack - K'nex Stem Part Tested

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K'NEX Gear Action 25 Model Building Set #12056 Used COMPLETE Stem 210++ Pieces
K'NEX Gear Action 25 Model Building Set #12056 Used COMPLETE Stem 210++ Pieces

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NEW Techno Gears Marble Mania STEM Construction Set Zany Trax 4.0 Unopened
NEW Techno Gears Marble Mania STEM Construction Set Zany Trax 4.0 Unopened

$17.00

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K’NEX Imagine 100 Model Building Set 863 Pieces STEM Learning Creative Kids Gift
K’NEX Imagine 100 Model Building Set 863 Pieces STEM Learning Creative Kids Gift

$31.25

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K'nex 79320 STEM Explorations Education Vehicles Building Set 131pcs Ages 8+ New
K'nex 79320 STEM Explorations Education Vehicles Building Set 131pcs Ages 8+ New

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Techno Gears Crazy Copter Action Construction Set STEM Toy Kids 80 Piece 6+
Techno Gears Crazy Copter Action Construction Set STEM Toy Kids 80 Piece 6+

$10.36

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K'Nex Building Toys STEM Engineering Toy Bulk Lot 1+ Lbs
K'Nex Building Toys STEM Engineering Toy Bulk Lot 1+ Lbs

$7.79

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K'Nex Green Carrying Case And Multiple Building Toy Bulk Lot
K'Nex Green Carrying Case And Multiple Building Toy Bulk Lot

$19.99

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K’NEX Imagine: 100 Model Building Set – 863 Pieces, STEM Learning Creative...
K’NEX Imagine: 100 Model Building Set – 863 Pieces, STEM Learning Creative...

$66.90

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K'NEX (KNEX) 15 First Model Building Set 🎓 STEM Educational ENGINNERING 🔬
K'NEX (KNEX) 15 First Model Building Set 🎓 STEM Educational ENGINNERING 🔬

$12.00

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Knex Orange Gear 2-1/4" - K'nex Rare Standard K'nex Stem Education Part
Knex Orange Gear 2-1/4" - K'nex Rare Standard K'nex Stem Education Part

$8.95

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SALE Stemnex Working V8 Model Engine with Sound 270 Parts NEW
SALE Stemnex Working V8 Model Engine with Sound 270 Parts NEW

$59.95

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K'Nex 'Rad Rides' Cars, 12 builds in 1 •STEM Learning• Ages 7-12 #15214 206 pcs
K'Nex 'Rad Rides' Cars, 12 builds in 1 •STEM Learning• Ages 7-12 #15214 206 pcs

$29.99

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K’NEX Imagine: 70 Model Building Set – 705 Pieces, STEM Learning Creative Con...
K’NEX Imagine: 70 Model Building Set – 705 Pieces, STEM Learning Creative Con...

$64.95

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K'NEX Marble Coaster Run with Motor Set, 504 Piece Marble Maze Game Building for
K'NEX Marble Coaster Run with Motor Set, 504 Piece Marble Maze Game Building for

$52.99

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K NEX Imagine: Click And Construct Value Set 522 Pieces, 35 Models, STEM Model
K NEX Imagine: Click And Construct Value Set 522 Pieces, 35 Models, STEM Model

$46.79

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Stemnex, Space Gyroscope Gravity Force Toys Kids
Stemnex, Space Gyroscope Gravity Force Toys Kids

$24.99

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K’nex Education STEM Explorations Roller Coaster Building Set W/ Motor
K’nex Education STEM Explorations Roller Coaster Building Set W/ Motor

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KNEX STEM Building Solutions Lever Classes And Pulley Systems 178pc OPEN BOX A7
KNEX STEM Building Solutions Lever Classes And Pulley Systems 178pc OPEN BOX A7

$14.95

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K'NEX Star Shooter 13408 100% Complete Roller Coaster Knex Building Set w/ Motor
K'NEX Star Shooter 13408 100% Complete Roller Coaster Knex Building Set w/ Motor

$19.99

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Hex Bug Vex Robotics Rover Explorer Construction Kit STEM Building Kit Astronaut
Hex Bug Vex Robotics Rover Explorer Construction Kit STEM Building Kit Astronaut

$5.99

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Knex NEW Education Solar Panel & 12 Foot Cable K'nex Stem Teacher Classroom Part
Knex NEW Education Solar Panel & 12 Foot Cable K'nex Stem Teacher Classroom Part

$24.95

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Education ‒ STEM Explorations: Roller Coaster Building Set – 546 Pieces – Age...
Education ‒ STEM Explorations: Roller Coaster Building Set – 546 Pieces – Age...

$82.99

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hand2mind Moving Creations with K'NEX, Book and Building Kit for Kids Ages...
hand2mind Moving Creations with K'NEX, Book and Building Kit for Kids Ages...

$49.46

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K'NEX Education STEM Explorations Swing Ride 486 pc Building Set -- COMPLETE!!!
K'NEX Education STEM Explorations Swing Ride 486 pc Building Set -- COMPLETE!!!

$6.99

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K’nex Mixed Lot Assorted Building Pieces
K’nex Mixed Lot Assorted Building Pieces

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K’NEX 100 Unique Models Imagine Building Set 863 Pieces Ages 7+ Engineering STEM
K’NEX 100 Unique Models Imagine Building Set 863 Pieces Ages 7+ Engineering STEM

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NIB K’NEX Education: STEM Exploration Roller Coaster Building Set SEALED
NIB K’NEX Education: STEM Exploration Roller Coaster Building Set SEALED

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LARGE Scale / Box ~ "YOU PICK" ~ MPC AMT Revell TRUCK / CAR Plastic Models - NEW
LARGE Scale / Box ~ "YOU PICK" ~ MPC AMT Revell TRUCK / CAR Plastic Models - NEW

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10 Knex Small 1 Inch Dark Blue Gears Locking - K'nex Education Stem Parts
10 Knex Small 1 Inch Dark Blue Gears Locking - K'nex Education Stem Parts

$13.33

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Knex Instruction Manual K'nex Building Guide
Knex Instruction Manual K'nex Building Guide

$6.99

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6 Knex YELLOW MEDIUM CROWN GEARS ~ K'nex Education Stem Parts ~ Standard Size
6 Knex YELLOW MEDIUM CROWN GEARS ~ K'nex Education Stem Parts ~ Standard Size

$12.98

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Knex Solar Motor Education Orange w/ Brown Shaft - K'nex Stem Replacement Parts
Knex Solar Motor Education Orange w/ Brown Shaft - K'nex Stem Replacement Parts

$22.49

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4 Knex Rubber Band Racers Black Short Belt Drive K'nex Trekker Replacement Parts
4 Knex Rubber Band Racers Black Short Belt Drive K'nex Trekker Replacement Parts

$10.95

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2 Knex Rubber Bands Long Tan 7-1/4" Belt Drive - K'nex Replacement Parts
2 Knex Rubber Bands Long Tan 7-1/4" Belt Drive - K'nex Replacement Parts

$13.95

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2018 Mattel Jurassic World Fossil Strikers Velociraptor STEM
2018 Mattel Jurassic World Fossil Strikers Velociraptor STEM

$9.99

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NIB K'NEX Mega Motorcycle Building Set - Ages 9+ - 456 Parts -Working Suspension
NIB K'NEX Mega Motorcycle Building Set - Ages 9+ - 456 Parts -Working Suspension

$8.25

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Techno Gears Aero Trax Plane STEM Product 80+ Pieces Toy 6+ in Box New
Techno Gears Aero Trax Plane STEM Product 80+ Pieces Toy 6+ in Box New

$9.99

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K'NEX HyperSpace Docking Station #11055 - New & Sealed Vintage 1999
K'NEX HyperSpace Docking Station #11055 - New & Sealed Vintage 1999

$24.99

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15 Knex Gears Black & Yellow Crown Med & Small K'nex Education Parts
15 Knex Gears Black & Yellow Crown Med & Small K'nex Education Parts

$13.95

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K'NEX Building Toy Playset Simple And Compound Machines 16 Models 77053 9+ Years
K'NEX Building Toy Playset Simple And Compound Machines 16 Models 77053 9+ Years

$28.89

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STEMNEX Amazing Steam Engine Train Model Kit, Kids Educational STEM Science Toy
STEMNEX Amazing Steam Engine Train Model Kit, Kids Educational STEM Science Toy

$55.75

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Knex NEW Solar Panel 12' Foot Power Cable - K'nex Education Stem Part 92670
Knex NEW Solar Panel 12' Foot Power Cable - K'nex Education Stem Part 92670

$14.95

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8 Knex Yellow Medium Crown Gears - K'nex Education Stem Parts
8 Knex Yellow Medium Crown Gears - K'nex Education Stem Parts

$8.99

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1 Knex Yellow Spinner Stem K'nex Rare Standard Replacement Parts
1 Knex Yellow Spinner Stem K'nex Rare Standard Replacement Parts

$6.95

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NEW K'Nex Education Building Solutions Machine Set Lever Pulley 178pc STEM 78610
NEW K'Nex Education Building Solutions Machine Set Lever Pulley 178pc STEM 78610

$9.99

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24 NEW Knex 2-Inch Gray Pulleys 2" - K'nex Stem Engineering Physics Parts
24 NEW Knex 2-Inch Gray Pulleys 2" - K'nex Stem Engineering Physics Parts

$17.95

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KNex 77078 KNEX STEM Explorations Swing Ride Building Set for Ages 8 Engineering
KNex 77078 KNEX STEM Explorations Swing Ride Building Set for Ages 8 Engineering

$49.95

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New Open Box STEM Meccano Tech Meccanoid G15 Personal Robot
New Open Box STEM Meccano Tech Meccanoid G15 Personal Robot

$65.00

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K-NEX Solar Yellow Case With Hundreds Of Sorted Pieces Very Nice
K-NEX Solar Yellow Case With Hundreds Of Sorted Pieces Very Nice

$24.95

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K'Nex Education Elementary Math & Geometry Set 142 pcs 3D Shapes STEM Kit Set
K'Nex Education Elementary Math & Geometry Set 142 pcs 3D Shapes STEM Kit Set

$29.99

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KNEX FIRST BUILDING SET Vintage At Home STEM Projects Learn + Fun 253pc SET EUC
KNEX FIRST BUILDING SET Vintage At Home STEM Projects Learn + Fun 253pc SET EUC

$19.92

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Knex Red Carrying Case STEM Building Toy Bulk lot
Knex Red Carrying Case STEM Building Toy Bulk lot

$20.00

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K'Nex 2 Pound Lot of Connectors, Rods, Spacers, Tires Wheels Misc.
K'Nex 2 Pound Lot of Connectors, Rods, Spacers, Tires Wheels Misc.

$10.49

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Knex Blue Coaster Car Front - K'nex Education Physics Stem Replacement Part
Knex Blue Coaster Car Front - K'nex Education Physics Stem Replacement Part

$18.49

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KNEX Lot 900 Plus 5# Connectors Multi Color Assortment Five Pounds STEM Toy
KNEX Lot 900 Plus 5# Connectors Multi Color Assortment Five Pounds STEM Toy

$59.99

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Hex Bug VEX Robotics Catapult Launcher STEM Starter Brand New - Free Shipping
Hex Bug VEX Robotics Catapult Launcher STEM Starter Brand New - Free Shipping

$20.00

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KNEX EDUCATION STEM EXPLORATIONS GEARS BUILDING SET 79318
KNEX EDUCATION STEM EXPLORATIONS GEARS BUILDING SET 79318

$22.99

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KNEX (K'NEX) Chopper Motorcycle
KNEX (K'NEX) Chopper Motorcycle

$7.75

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K'NEX Collect and Build Robo Battlers Series Flash 122 Pieces Toy 2010 NIB READ
K'NEX Collect and Build Robo Battlers Series Flash 122 Pieces Toy 2010 NIB READ

$24.00

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Lot of K'nex Gears Big Yellow Offset Socket Red Medium Blue Small KNEX
Lot of K'nex Gears Big Yellow Offset Socket Red Medium Blue Small KNEX

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20 NEW Knex 2-Inch Silver Pulleys 2" - K'nex Stem Engineering Physics Parts
20 NEW Knex 2-Inch Silver Pulleys 2" - K'nex Stem Engineering Physics Parts

$16.49

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K'nex Lot of 11 Gray/Silver 2½" Panels Vintage Knex
K'nex Lot of 11 Gray/Silver 2½" Panels Vintage Knex

$9.98

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6 Knex Gears 2-1/4" Gray - K'nex Stem Education Parts
6 Knex Gears 2-1/4" Gray - K'nex Stem Education Parts

$15.49

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K’NEX Starter Building Set 30005 - Vintage 1994 175 pcs. Complete Exc. Condition
K’NEX Starter Building Set 30005 - Vintage 1994 175 pcs. Complete Exc. Condition

$14.95

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New Sealed K'NEX Crash Cycles Building Set Trial Size Super Zoomin' Cycles toy
New Sealed K'NEX Crash Cycles Building Set Trial Size Super Zoomin' Cycles toy

$4.75

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K’nex Education ‒ Stem Explorations Swing Ride Building Set 77077 New open box
K’nex Education ‒ Stem Explorations Swing Ride Building Set 77077 New open box

$17.00

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K'NEX Education Stem Building Solution 78630 Complete
K'NEX Education Stem Building Solution 78630 Complete

$16.20

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Erector 5 in 1 Roadster Car Building Kit Pull Back Model By Meccano (18202) STEM
Erector 5 in 1 Roadster Car Building Kit Pull Back Model By Meccano (18202) STEM

$12.95

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K’nex Gears Lot Of 15 Assorted Sm Med Large Red Orange Yellow Blue Gray
K’nex Gears Lot Of 15 Assorted Sm Med Large Red Orange Yellow Blue Gray

$15.00

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Amazing Toys: Stemnex Intelligent Vacuum Cleaner, 75pc, Batteries Required, Kids
Amazing Toys: Stemnex Intelligent Vacuum Cleaner, 75pc, Batteries Required, Kids

$29.99

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K'NEX HyperSpace Docking Station Space Patrol Ship #11055 New Sealed Vintage
K'NEX HyperSpace Docking Station Space Patrol Ship #11055 New Sealed Vintage

$29.99

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Knex Orange Coaster Track Tube 5' Feet Short Tubing Piece - K'nex Stem
Knex Orange Coaster Track Tube 5' Feet Short Tubing Piece - K'nex Stem

$7.49

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K'Nex Education STEM Exploration Swing Ride Building Set (77077) NEW Learning
K'Nex Education STEM Exploration Swing Ride Building Set (77077) NEW Learning

$25.00

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Knex Instruction Manuals Books - You choose
Knex Instruction Manuals Books - You choose

$9.99

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12 Knex Gears 2-1/4" Red & Yellow - K'nex Stem Education Parts
12 Knex Gears 2-1/4" Red & Yellow - K'nex Stem Education Parts

$14.95

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K’Nex Stem Explorations Swing Ride Building Set (77077)
K’Nex Stem Explorations Swing Ride Building Set (77077)

$8.00

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NEW MECCANO DINOSAURS Maker System Model 16209 by Spin Master. Metal Build STEM
NEW MECCANO DINOSAURS Maker System Model 16209 by Spin Master. Metal Build STEM

$18.50

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K'NEX 77078 Education STEM Explorations: Roller Coaster Building Set
K'NEX 77078 Education STEM Explorations: Roller Coaster Building Set

$43.89

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K'NEX Education ‒lNCOMPLETE STEM Explorations: Roller Coaster Building
K'NEX Education ‒lNCOMPLETE STEM Explorations: Roller Coaster Building

$8.07

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K'NEX HyperSpace Docking Station #11055 NIB Sealed VINTAGE RARE 1999 BRAND NEW
K'NEX HyperSpace Docking Station #11055 NIB Sealed VINTAGE RARE 1999 BRAND NEW

$29.99

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Instruction Manual And Disc K'NEX Education STEM BUILDING SOLUTION BRIDGES
Instruction Manual And Disc K'NEX Education STEM BUILDING SOLUTION BRIDGES

$10.99

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K'Nex Thunderfoot Trucks Vintage Building Set Gift Rare Collectibles
K'Nex Thunderfoot Trucks Vintage Building Set Gift Rare Collectibles

$35.00

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New Knex Stem Activities Teacher Guide Classroom Packs Factory Sealed - YS1-9
New Knex Stem Activities Teacher Guide Classroom Packs Factory Sealed - YS1-9

$24.99

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