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Working V8 Engine Model Kit – Build Your Own V8 Engine

$110.49

Teching Mini RC Tractor Assembly Kit: Educational Metal RC Hobby Model in Red

$179.99

Mystery Aircraft DIY Assembly Model Kit – Crafted from Solid Metal and Wood for Enhanced Longevity

$359.99

Smithsonian Motor Works Advanced Science Kit: Build Your Own 4-Cylinder Internal Combustion Engine Model

$71.99

DIY Haynes L4 Engine Model Kit – Build an Actual Working Engine

$116.99

Teching Electric Single-Cylinder Motorcycle Engine DIY Kit, Vintage Classic Car DIY Metal Mechanical Model, High Level Educational Collection

$395.99

DIY Mechanical V8 Engine Metal Assembly Model Kit for Physics Toy STEM Science Experiment

$599.99

Single Cylinder Electromagnetic Engine Model Kit with Cannon | Operable 6-12V Physics Experiment

$58.49

Chevrolet Corvette V8 Engine Model – 1:6 Scale Engine Model – STEM Toy for Gift or Collection – Enginediy

$89.99

Haliaeetus Leucocephalus Eagle Model Kit with Flying and Flapping Wings – TEACHing American Bald Eagle Precision Scale Model

$118.99

Teching 3D Metal Oil Pump Jack Model Kit | Working Oilfield Equipment with Light

$149.99

Electric Car Engine Assembly Kit – STEM Learning Educational Science Experiment – Teching DM12B (249 Pieces)

$199.99

TECHING 3D Metal Dragonfly Construction Model – Build Your Own DIY Dragonfly Assembly Kits for Kids, Teens, and Adults

$129.99

Teching Engine Assembly Kit: Full Metal 4-Cylinder Car Engine Building Kit for STEM Education and Gift Collection – Enginediy

$469.99

Mini 4-Cylinder Engine Model Kit: Car Engine Building Kit for Kids and Adults

$469.99

Fully Functional L4 Diesel Engine Model Kit – Build Your Own Working Diesel Engine – 1:10 Scale Full Metal Mini L4 4-Cylinder OHV Engine – 300+ Pieces

$349.99