engineering kits best sellers

#1 100 STEM Projects | Butterfly EduFields 100+ STEM Projects | Girls Mini Engineering Kit for Ages 8 10 12 15 Years | Ultimate DIY Science Experiments for Kids | Educational Engineering Toys Best Birthday Gift idea

$31.76 on Amazon

#2 DIY Robotic Mechanical Smartivity DIY Robotic Mechanical Hand STEM Toy for Kids 8, 9, 10, 11, 12, 13, 14 Years Old | Parents Choice Award Winner I Christmas, Birthday Gift | Engineering Kit for 8-14 Years Old Boys & Girls

$24.99 on Amazon

#3 Model Engine Kit with Discovery #Mindblown Model Engine Kit, with Moving Motor Parts And LED Lights

$36.97 on Walmart

#4 STEM Kits for Kids Ages SCAEMO STEM Kits for Kids Ages 8-10-12-14, Stem Toys for Boys Age 8-12, Science Projects, Solar Car Building Kits, Activities Engineering Kit, Gifts for 8 9 10 11 12 Year Old Boys

$12.74 on Amazon

#5 🔥 🆕 Kumdkd STEM Building Kumdkd STEM Building Toys for Kids Ages 3-8 - 100 Pieces Construction Set with Storage Box | Educational Engineering Kit for Classroom & Homeschool | Creative Architecture Blocks Gift for Boys Girls

$3.47 on Walmart

#6 🔥 🆕 100cc Bicycle Engine IMAYCC 100cc Bicycle Engine Kit 2 Stroke Motorized Bike Motor Conversion Kit Fit for 26-28" Bikes(100CC Black)

$165.29 on Amazon

#7 2.0 Paper Airplane Conversion POWERUP 2.0 Paper Airplane Conversion Kit | Electric Motor for DIY Paper Planes | Fly Longer and Farther | Perfect for Kids & Adults | Ready to Use Aeroplane Engine Kits

$16.99 on Amazon

#8 STEM Kits for Kids Age CYOEST STEM Kits for Kids Age 8-10-12-14, Science Projects for Kids Ages 8-12, Stem Building Toys for Boys Age 8 9 10 12 13 14, Solar Car & STEM Activities Engineering Kits, Gifts for Boys

$13.59 on Amazon

#9 49cc 50cc 2 Stroke Racing SIOHDAGU 49cc 50cc 2 Stroke Racing Engine Motor, Gasoline Engine Single Cylinder Pull Rope Start Motor for Dirt Bike Pocket Bike ATV Scooters, Pocket Bike Engine Kits

$42.40 on Amazon

#10 STEM Kits for Kids Age CYOEST STEM Kits for Kids Age 8-10-12-14, Science Kits for Kids Age 8-12, STEM Toys Gifts for Boys Age 8 9 10 12 13 14, Car Building Science Experiment Projects 9-12, Solar Power & Engineering Kit

$13.59 on Amazon

#11 67pcs Technical Parts Scakbyer 67pcs Technical Parts Engine Kit - Includes Cylinder, Piston, Connecting Rod, Pin Connector Block, Crankshaft & Crankshaft Center - Compatible with MOC-Technic Building Sets

$10.03 on Amazon

#12 STEM Kit – Paper Airplane PATHFINDERS STEM Kit – Paper Airplane Launcher | Science Kits for Kids | stem Toys Physics Toys | Kids Engineering kit | Learning Resource

$28.99 on Amazon

#13 🔥 Engine Kit Replacement VINOJIU RACING Engine Kit Replacement for 11-20 Ford 6.7L Powerstroke CCV PCV Black

$46.99 on Amazon

#14 🔥 80cc Bike Bicycle Motorized 80cc Bike Bicycle Motorized 2 Stroke Petrol Gas Motor Engine Kit Set US STOCK

$199.99 on Ebay

#15 Oil Fuel Line Hose Filter Oil Fuel Line Hose Filter Engine Kit For STIHL 021 023 025 MS210 MS230 MS250

$5.99 on Ebay

#16 🔥 🆕 NIZELUK Building Kit NIZELUK Building Kit Toys Assembly Toys for Boys 5-12, 4-in-1 Erector Set, DIY Engineering Kits for Boys, Toys for Learning, Perfect Gift for Boys Ages 5-12

$6.99 on Walmart

#17 🔥 Motorcycle Oil Cooler USTPO Motorcycle Oil Cooler Cooling Radiator Engine Kit Universal for CRF XR KLX 50 70 90 110 125 140cc SSR Taotao Coolster Kayo Apollo Dirt Pit Bike ATV Red

$37.59 on Amazon

#18 🔥 GENUINE STIHL MS271 CHAINSAW GENUINE STIHL MS271 CHAINSAW PISTON CYLINDER ENGINE KIT W/ BEARING- NEW TAKE OFF

$159.99 on Ebay

#19 🔥 Sky Surfer Airplane Launcher Fat Brain Toys Sky Surfer Airplane Launcher - Wooden Engineering Kit for Teens

$24.95 on Amazon

#20 🔥 MDS Lifers Camshaft Timing TREXCAR MDS Lifers Camshaft Timing Chain Oil Pan Gasket Overhaul Kit for 2009-2016 Dodge 5.7L Hemi V8 Engine Kit 53022263AF 53022316AC

$649.99 on Amazon