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Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction To Mechanical Physics, Build 26 Models To Investigate The 6

Thames & Kosmos Architectural Engineering | Science Experiment & Model Building Kit | Build 26 Models Of Structures & Structural Elements | A

Solar Bots 8-In-1 Robot Kit

Corsair F4U-4 Model Kit

Thames & Kosmos Windbots 6-In-1 Engineering STEM Kit | Build 6 Wind-Powered Bots, No Batteries/Electricity Required | Explore Wind Technology, Gear

Rubber Band Car Kit - 10 Pack STEM Kits For Kids Ages 8-14, DIY Wooden Car Building Set For Classroom Projects, Science Experiments & Educational

4 in 1 Solar Power & Electric Motor STEM Kits,Science Experiment Projects For Kids Beginners,Electronic Assembly Solar Powered Toy Kit,DIY

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Mould King V8 Model Engine Kit For Adults, V8 Engine Building Sets, Mini Engine Toys Scale With Motor, STEM Project Building Kits, DIY Collectible

Estes 1755 Bulk Pack Of 12 Viking Rocket-Building Kits, Intermediate Flying-Rocket-Model Kits For Ages 10+, Classroom Science Experiments

Inventions Kit

WOODEN.CITY V8 Engine 3D Wooden Puzzle Kit, 200 Pcs DIY Mechanical Model, Made In EU

Discovery MINDBLOWN Model Engine Building Kit, DIY 4-Cylinder Combustion Engine, Working Pistons Fan Valves Belts LED Lights, STEM Mechanic

Klever Kits 4 DIY Wooden Race Cars-Build & Paint Your Own Wood Craft Kit, 4 Race Cars Toy, Easy To Assemble Arts Crafts Kit, Birthday Party Presents

Windbots Activity Kit

Thames & Kosmos Roller Coaster Engineering STEM Kit | Design, Build, Experiment W/ Working Roller Coaster Models | Explore Physics, Forces, Motion,

F-22 Raptor Model Kit

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Ford Bronco Model Car Kit

Thames & Kosmos Structural Engineering: Bridges & Skyscrapers | Science & Engineering Kit | Build 20 Models | Learn About Force, Load, Compression,

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Learning Resources Pumping Heart Model - 1 Piece, Grades 3+ | Ages 8+ Educational Science Kit, Science Education Supplies, Science Teaching Supplies

Robotikits Smartcore 6 Kit

Wood Trick Wooden Mechanical Tractor Model Kit To Build For Adults And Kids - 11X7" - Detailed And Sturdy - Rubber Band Motor - 2 Speeds - 3D Wooden

M48A2 Patton Tank Model Kit

Revell 85-8883 Visible V8 Engine Model Kit 1:4 Scale 314-Piece Skill Level 5 Plastic Model Building Kit

1971 Mach 1 Mustang Model Kit

STEM Kits For Kids Age 8-10 10-12, 6 Set Wood Building Projects Crafts Science Model Car Kits For Kids Age 8-12 5-7, Wooden 3D Puzzles, STEM Toys

"'77 Chevy Street Pickup Model Kit"

Little Jupiter DIY Wooden Kits W/Stickers - Building Kit - Stem Building Toys - Wood Crafts - Woodworking Kit - Wood Building For Ages 4-7 Yrs (Race