Skip to content
🎅2025 Christmas Sale: 12% OFF Sitewide-Up to 50% OFF-> Code: XS12　Click Here for More Details!
🎅2025 Christmas Sale: 12% OFF Sitewide-Up to 50% OFF-> Code: XS12　Click Here for More Details!

Under $399 USD

$399.99 - $399.99
$399.99
$399.99 - $399.99
$399.99

M16C 1.6cc Mini 4 Stroke Gasoline Engine Model Vertical Air-cooled Single-cylinder Internal Combustion Engine Model with Vane Pump

M16C 1.6cc Mini 4 Stroke Gasoline Engine Model Vertical Air-cooled Single-cylinder Internal Combustion Engine Model with Vane PumpFeatures:.This is...

View full details
$399.99 - $399.99
$399.99
$399.99 - $399.99
$399.99
$359.99 - $359.99
$359.99
$359.99 - $359.99
$359.99

SKYMECH Pulse Jet Engine Medium Valve-Controlled Gasoline Internal Combustion Model Airplane Model Engine

SKYMECH Pulse Jet Engine Medium Valve-Controlled Gasoline Internal Combustion Model Airplane Model Engine  Features: 1.Pulsating jet engine is a ki...

View full details
$359.99 - $359.99
$359.99
$359.99 - $359.99
$359.99
H09 Mini Hoglet Single-Cylinder Four-Stroke Gasoline Engine Model for Motorcycles with Pedal Start
H09 Mini Hoglet Single-Cylinder Four-Stroke Gasoline Engine Model for Motorcycles with Pedal Start
$299.99 - $299.99
$299.99
$299.99 - $299.99
$299.99

H09 Mini Hoglet Single-Cylinder Four-Stroke Gasoline Engine Model for Motorcycles with Pedal Start

H09 Mini Hoglet Single-Cylinder Four-Stroke Gasoline Engine Model for Motorcycles with Pedal Start Features: This is a complex engine model with a ...

View full details
$299.99 - $299.99
$299.99
$299.99 - $299.99
$299.99
Save 14% Save %
$349.99
$299.99 - $349.99
$349.99
$299.99
$299.99 - $299.99
$299.99

Mini Brass Piston Power Hammer Model Industrial Forging Machine

Mini Brass Piston Power Hammer Model Industrial Forging Machine Features:.The mini simulated power hammer, different from other display models, is ...

View full details
$349.99
$299.99 - $349.99
$349.99
$299.99
$299.99 - $299.99
$299.99
Save 14% Save %
$299.99 - $299.99
$299.99
$299.99 - $299.99
$299.99

Hit and Miss Engine Full Metal IC Engine Model Water Cooled Gasoline Engine with Base Gift Collection

Hit and Miss Engine Full Metal IC Engine Model Water Cooled Gasoline Engine  Internal Combustion Engine with Base Gift Collection What's Hit and Mi...

View full details
$299.99 - $299.99
$299.99
$299.99 - $299.99
$299.99
M96 Mini Horizontal Air-Cooled Single-Cylinder 4-Stroke Oddball Hit and Miss Gas Engine Model
M96 Mini Horizontal Air-Cooled Single-Cylinder 4-Stroke Oddball Hit and Miss Gas Engine Model
$279.99 - $279.99
$279.99
$279.99 - $279.99
$279.99

M96 Mini Horizontal Air-Cooled Single-Cylinder 4-Stroke Oddball Hit and Miss Gas Engine Model

M96 Mini Horizontal Air-Cooled Single-Cylinder 4-Stroke Oddball Hit and Miss Gas Engine Model Features: This is a horizontal single-cylinder 4...

View full details
$279.99 - $279.99
$279.99
$279.99 - $279.99
$279.99
$289.99 - $289.99
$289.99
$289.99 - $289.99
$289.99

M31B 1.85CC Mini Retro Vertical Single-cylinder Reciprocating Double-acting Steam Engine Model Toys

M31B 1.85CC Mini Retro Vertical Single-cylinder Reciprocating Double-acting Steam Engine Model ToysFeatures:.The exquisite and compact steam model ...

View full details
$289.99 - $289.99
$289.99
$289.99 - $289.99
$289.99
4 Cylinder Stirling Engine V4 Stirling Engine Electricity Generator Kit for Gift Collection - enginediy
4 Cylinder Stirling Engine V4 Stirling Engine Electricity Generator Kit for Gift Collection - enginediy
Save 25% Save %
$399.99
$299.99 - $399.99
$399.99
$299.99
$299.99 - $299.99
$299.99

4 Cylinder Stirling Engine V4 Stirling Engine Electricity Generator Kit for Gift Collection

4 Cylinder Stirling Engine V4 Stirling Engine Electricity Generator Kit for Gift Collection This is an interesting model toys, this Stirling engi...

View full details
$399.99
$299.99 - $399.99
$399.99
$299.99
$299.99 - $299.99
$299.99
Save 25% Save %
Stirling Engine Kit V4 4 Cylinder Stirling Engine External Combustion Engine Model - Enginediy - enginediy
Stirling Engine Kit V4 4 Cylinder Stirling Engine External Combustion Engine Model - Enginediy - enginediy
$0.00 - $0.00
$0.00
$279.99
$279.99 - $279.99
$279.99

Stirling Engine Kit V4 4 Cylinder Stirling Engine External Combustion Engine Model - Enginediy

Stirling Engine Kit 4 Cylinder V4 Stirling Engine External Combustion Engine Model Gift Collection This is an interesting model toys, this Stirl...

View full details
$0.00 - $0.00
$0.00
$279.99
$279.99 - $279.99
$279.99
16 Cylinder Stirling Engine Double Tank Gas Powered Motor Stirling Engine Model Toy - enginediy
16 Cylinder Stirling Engine Double Tank Gas Powered Motor Stirling Engine Model Toy - enginediy
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99

16 Cylinder Stirling Engine Double Tank Gas Powered Motor Stirling Engine Model Toy

16 Cylinder Stirling Engine Model Kit Gas Powered Creative Motor Engine Toy  - Upgraded to Two Fuel TankThis 16 cylinder Stirling engine is a hea...

View full details
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99
Teching Car Engine Assembly Kit Single Cylinder Car Building Kit Toy Gift for Adult - enginediy
Teching Car Engine Assembly Kit Single Cylinder Car Building Kit Toy Gift for Adult - enginediy
Save up to 25% Save %
$399.99
$399.99 - $399.99
$399.99
$299.99 - $399.99
$299.99 - $399.99
$299.99

Teching Car Engine Assembly Kit Single Cylinder Car Building Kit Toy Gift for Adult

  Teching Car Engine Assembly Kit Single Cylinder Car Building Kit Toy Gift for Adult This assembly Car building kit is designed based on single c...

View full details
$399.99
$399.99 - $399.99
$399.99
$299.99 - $399.99
$299.99 - $399.99
$299.99
Save up to 25% Save %
V2 Car Engine Assembly Kit Full Metal VTwin 2 Cylinder Engine Build Kit Gift for Collection (217pcs) - enginediy
V2 Car Engine Assembly Kit Full Metal VTwin 2 Cylinder Engine Build Kit Gift for Collection (217pcs) - enginediy
$399.99 - $399.99
$399.99
$399.99 - $399.99
$399.99

V2 Car Engine Assembly Kit Full Metal VTwin 2 Cylinder Engine Build Kit Gift for Collection (217pcs)

V2 Car Engine Assembly Kit Full Metal 2 Cylinder Car Engine Building Kit Gift for Collection (217pcs) V-Twin engine assembly kit is designed ba...

View full details
$399.99 - $399.99
$399.99
$399.99 - $399.99
$399.99
Car Engine Assembly Kit Single-cylinder Engine Build Kit Gift Toy for Collection - enginediy
Car Engine Assembly Kit Single-cylinder Engine Build Kit Gift Toy for Collection - enginediy
$299.99 - $299.99
$299.99
$299.99 - $299.99
$299.99

Car Engine Assembly Kit Single-cylinder Engine Build Kit Gift Toy for Collection

Car Engine Assembly Kit Single-cylinder Engine Build Kit Gift Toy for Collection This single cylinder engine is designed based on internal combust...

View full details
$299.99 - $299.99
$299.99
$299.99 - $299.99
$299.99
Steam Car Engine Assembly Kit Full Metal Car Engine DIY Build Kit for Gift Collection - enginediy
Sold out
$399.99
$399.99 - $399.99
$399.99
$219.99 - $379.99
$219.99 - $379.99
$219.99

Steam Car Engine Assembly Kit Full Metal Car Engine DIY Build Kit for Gift Collection

Steam Car Engine Assembly Kit Full Metal Car Engine DIY Build Kit for Gift Collection (272Pcs) The steam car engine diy kit is designed based on ...

View full details
$399.99
$399.99 - $399.99
$399.99
$219.99 - $379.99
$219.99 - $379.99
$219.99
Sold out
stem toy robot kit
Build Your Robot Kit Robotic Engine Assembly Kit Educational Toy DIY Gift - Enginediy - enginediy
$199.99 - $249.99
$199.99 - $249.99
$199.99 - $249.99
$199.99

Build Your Robot Kit Robotic Engine Assembly Kit Educational Toy DIY Gift - Enginediy

Build Your Robot Kit Engine Assembly Kit Educational Toy DIY Gift - Enginediy Robot Kit Engine Assembly Kit requires the user to assemble the parts...

View full details
$199.99 - $249.99
$199.99 - $249.99
$199.99 - $249.99
$199.99
16 Cylinder Stirling Engine with Quartz Tube Collection Gift for Engineer-Upgrade - enginediy
16 Cylinder Stirling Engine with Quartz Tube Collection Gift for Engineer-Upgrade - enginediy
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99

16 Cylinder Stirling Engine with Quartz Tube Collection Gift for Engineer-Upgrade

  16 Cylinder Stirling Engine Model Gas Powered Engine with Quartz Tube Collection Gift for Engineer Enginediy 16 cylinder Stirling engine consist...

View full details
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99
$199.99 - $1,799.99
$199.99 - $1,799.99
$199.99 - $1,799.99
$199.99

TOYAN Engine 4 Stroke RC Nitro Engine Model Kit - Build Your Engine That Works

TOYAN Engine 4 Stroke RC Model Engine Kit - Build Your Engine That Works Warm Tips:The TOYAN FS-S100 Engine now is off-production and the new one w...

View full details
$199.99 - $1,799.99
$199.99 - $1,799.99
$199.99 - $1,799.99
$199.99
HSP 94188 1/10 RC Car 4WD Nitro Gas Powered Monster Truck Vehicle - enginediy
HSP 94188 1/10 RC Car 4WD Nitro Gas Powered Monster Truck Vehicle - enginediy
$279.99 - $279.99
$279.99
$279.99 - $279.99
$279.99

HSP 94188 1/10 RC Car 4WD Nitro Gas Powered Monster Truck Vehicle

HSP RC Car 1/10 Scale 4WD Nitro Gas Powered Monster Truck Vehicle1:10 Monster truck tires durable, better embodies the perfect off-road performance...

View full details
$279.99 - $279.99
$279.99
$279.99 - $279.99
$279.99
HSP 94166 RC Car 1/10 Scale 4WD Nitro Gas Powered Off-Road Buggy Truck Vehicle - enginediy
HSP 94166 RC Car 1/10 Scale 4WD Nitro Gas Powered Off-Road Buggy Truck Vehicle - enginediy
$299.99 - $299.99
$299.99
$299.99 - $299.99
$299.99

HSP 94166 RC Car 1/10 Scale 4WD Nitro Gas Powered Off-Road Buggy Truck Vehicle

HSP 94166 RC Car 1/10 Scale 4WD Nitro Gas Powered Off-Road Buggy Truck Vehicle - Color in Random The HSP-94166 is a 1/10 scale shaft driven 4WD off...

View full details
$299.99 - $299.99
$299.99
$299.99 - $299.99
$299.99
HSP 94122 RC Car 1/10 Scale 4WD Nitro Gas Powered Off-Road Buggy Truck Vehicle - enginediy
HSP 94122 RC Car 1/10 Scale 4WD Nitro Gas Powered Off-Road Buggy Truck Vehicle - enginediy
$279.99 - $279.99
$279.99
$279.99 - $279.99
$279.99

HSP 94122 RC Car 1/10 Scale 4WD Nitro Gas Powered Off-Road Buggy Truck Vehicle

HSP 94122 RC Car 1/10 Scale 4WD Nitro Gas Powered Off-Road Buggy Truck Vehicle（Shell in random colours）The HSP-94122 is a 1/10 scale shaft driven 4...

View full details
$279.99 - $279.99
$279.99
$279.99 - $279.99
$279.99
VRX RH1006 RC Car 1/10 2.4G 4WD 75km/h High Speed Force 18 Gas Engine RTR Truck - enginediy
VRX RH1006 RC Car 1/10 2.4G 4WD 75km/h High Speed Force 18 Gas Engine RTR Truck - enginediy
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99

VRX RH1006 RC Car 1/10 2.4G 4WD 75km/h High Speed Force 18 Gas Engine RTR Truck

VRX RH1006 RC Car 1/10 2.4G 4WD 75km/h High Speed Off-road Gas Engine RTR TruckThe VRX RH1006 RC Car is a 1/10 scale shaft driven 4WD off road nitr...

View full details
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99
16 Cylinder Stirling Engine Model Gas Powered Stirling Engine Collection Toy Gift - enginediy
16 Cylinder Stirling Engine Model Gas Powered Stirling Engine Collection Toy Gift - enginediy
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99

16 Cylinder Stirling Engine Model Gas Powered Stirling Engine Collection Toy Gift

16 Cylinder Stirling Engine Model Gas Powered Stirling Engine Collection Toy GiftThis 16 cylinder Stirling engine is a heat engine in the Stirling ...

View full details
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99
16 Cylinder Stirling Engine Model Kit Collection Gift for Engineer - Enginediy - enginediy
16 Cylinder Stirling Engine Model Kit Collection Gift for Engineer - Enginediy - enginediy
$239.99 - $239.99
$239.99
$239.99 - $239.99
$239.99

16 Cylinder Stirling Engine Model Kit Collection Gift for Engineer - Enginediy

16 Cylinder Stirling Engine Model Kit Collection Gift for EngineerThis 16 cylinder Stirling engine is a heat engine in the Stirling engine, contain...

View full details
$239.99 - $239.99
$239.99
$239.99 - $239.99
$239.99
Toyan Engine FS-S100AC DIY 4 Stroke RC Engine - Build Your Own RC Engine -130Pcs - enginediy
$199.99 - $1,799.99
$199.99 - $1,799.99
$199.99 - $1,799.99
$199.99

TOYAN Engine DIY 4 Stroke RC Model Engine Kit - Build Your Own RC Engine

  Toyan Engine FS-S100AC DIY 4 Stroke RC Engine Kit - Build Your Own RC Engine -130PcsToyan Engine FS-S100AC is a diy 4 stroke RC engine build kit...

View full details
$199.99 - $1,799.99
$199.99 - $1,799.99
$199.99 - $1,799.99
$199.99