engineering kits best sellers

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

$32.99 on Amazon

#2 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

$12.99 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 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

$12.99 on Amazon

#5 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

$19.99 on Amazon

#6 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

$13.99 on Amazon

#7 STEM kit Paper Airplane Pathfinders STEM kit- Paper Airplane Launcher | Science kit for Teens and Adults | Stem Toys | Engineering kit - Learning Resource

$28.99 on Amazon

#8 🔥 V8 Combustion Engine Playz V8 Combustion Engine Model Kit That Runs - Build Your Own STEM Mini V8 Model Engine Kit for Adults & Kids Age 12+, Visible V8 Mini Engine Kit That Works for Adult w/ 270 STEM Parts

$79.95 on Amazon

#9 🔥 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 Dirt Pit Bike ATV Black

$46.99 on Amazon

#10 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

$11.99 on Amazon

#11 Updated 80cc Bicycle Afranti Updated 80cc Bicycle Engine Kit 2 Stroke Motorized Bike Motor Kit for 26" to 28" Bicycles Petrol Gas Powered Bicycle Motor Kit Upgrade with Digital Speedometer

$154.99 on Amazon

#12 🔥 🆕 ​178pc Advanced Metal ​178pc Advanced Metal Engineering Kit - DIY Industrial Vehicle Assembly w/ Tools ,STEM Model Building for Adults & Teens 14+​​ Silver

$11.65 on Walmart

#13 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

$4.77 on Walmart

#14 🔥 496 Pcs Technical Parts SSHLKBB 496 Pcs Technical Parts Building Blocks Gears Axle Pin Connector Compatible with Major Brand Toy Technical Cam Worm Cogs Gears Steering Parts Differential Engine Kit MOC Pieces for Replacement

$19.99 on Amazon

#15 80cc Bike Bicycle Motorized 80cc Bike Bicycle Motorized 2 Stroke Petrol Gas Motor Engine Kit Set US STOCK

$199.99 on Ebay

#16 415 Chain Master Link BBR TUNING 415 Chain Master Link Bicycle Engine Kit Replacement Part Motorized Bike

$2.95 on Ebay

#17 Recoil Pull Starter Assembly Recoil Pull Starter Assembly with Pawl for 48cc-80cc 2-Stroke Bicycle Engine Kit

$22.99 on Ebay

#18 Cylinder Piston Crankshaft BFO Cylinder Piston Crankshaft Engine Kit For Stihl 023 025 MS230 MS250 Chainsaw

$58.05 on Ebay

#19 🆕 Hydraulic 16 GPM Two Hydraulic 16 GPM Two Stage Hi-Low Pump C/W Bell Housing Engine Kit

$367.47 on Ebay

#20 Engine Motor 49CC 2 Stroke WDZCZDOO Engine Motor 49CC 2 Stroke Racing Complete Engine Motor Pull Start Motorized Bike Engine Kit for Pocket Bike Mini Dirt Bike ATV Scooter

$39.98 on Amazon