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🎉Prime Day Sales: 10% OFF Sitewide! Up to 30% OFF! Code: PD2026 Click Here for More Details!
🎉Prime Day Sales: 10% OFF Sitewide! Up to 30% OFF! Code: PD2026 Click Here for More Details!
ENJOMOR Watt Steam Engine Reactor Model Steam Pump with Boiler Generator Scientific Educational Toys for Desktop Decor - EngineDIY
ENJOMOR Watt Steam Engine Reactor Model Steam Pump with Boiler Generator Scientific Educational Toys for Desktop Decor - EngineDIY
$279.99 - $279.99
$279.99
$279.99 - $279.99
$279.99

ENJOMOR Watt Steam Engine Reactor Model Steam Pump with Boiler Generator Scientific Educational Toys for Desktop Decor

Features: .Steam Engine Reactor: The improvement and application of Watt steam engine, model it, and you will be attracted by its exquisite appear...

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$279.99 - $279.99
$279.99
$279.99 - $279.99
$279.99
Brushless DC Motor 5000-10000 RPM Disc Motor Model Science Toy - Enginediy - enginediy
Brushless DC Motor 5000-10000 RPM Disc Motor Model Science Toy - Enginediy - enginediy
$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99

Brushless DC Motor 5000-10000 RPM Disc Motor Model Science Toy - Enginediy

Brushless DC Motor 5000-10000 RPM Disc Motor Model Science Toy - Enginediy A motor converts supplied electrical energy into mechanical energy. Var...

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$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99
Stirling Engine with Helicopter Design Vacuum Engine Model Science Toy Decor Collection - enginediy
Stirling Engine with Helicopter Design Vacuum Engine Model Science Toy Decor Collection - enginediy
$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99

Stirling Engine with Helicopter Design Vacuum Engine Model Science Toy Decor Collection

Stirling Engine with Helicopter Design Vacuum Engine Model Science Toy Decor Collection The Stirling engine model is with helicopter design, the h...

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$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99
700PCS+ 3D Metal Bengal Tiger Kit Assembly DIY Toy - EngineDIY
700PCS+ 3D Metal Bengal Tiger Kit Assembly DIY Toy - EngineDIY
$99.99 - $119.99
$99.99 - $119.99
$99.99 - $119.99
$99.99

700PCS+ 3D Metal Bengal Tiger Kit Assembly DIY Toy

700PCS+ 3D Metal Bengal Tiger Kit Assembly DIY ToyFeatures:Wonderful DIY experiencing : 700PCS+ and assembling time is about 6-8 hours .Mechanical...

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$99.99 - $119.99
$99.99 - $119.99
$99.99 - $119.99
$99.99
γ-Type Vintage DIY Stirling Engine Model Kit with Luminous Flywheel Science Experiment Educational Toy - Enginediy Customized - enginediy
γ-Type Vintage DIY Stirling Engine Model Kit with Luminous Flywheel Science Experiment Educational Toy - Enginediy Customized - enginediy
$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99

ENJOMOR Vintage γ-Type Stirling Engine Kit with Luminous Flywheel - STEM Toy

ENJOMOR Vintage γ-Type Stirling Engine Kit with Luminous Flywheel - STEM Toy γ-typed Stirling Engine: The luminous flywheel gives off colorful ligh...

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$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
10cm Electronic Music Tesla Coil Artificial Lightning Hand Touch Magnetic Storm Coil Experimenting Device Teaching Tool Desktop Toy - EngineDIY
10cm Electronic Music Tesla Coil Artificial Lightning Hand Touch Magnetic Storm Coil Experimenting Device Teaching Tool Desktop Toy - EngineDIY
$59.99 - $64.99
$59.99 - $64.99
$59.99 - $64.99
$59.99

10cm Electronic Music Tesla Coil Artificial Lightning Hand Touch Magnetic Storm Coil Experimenting Device Teaching Tool Desktop Toy

10cm Electronic Music Tesla Coil Artificial Lightning Hand Touch Magnetic Storm Coil  Experimenting Device Teaching Tool Desktop Toy Features: .D...

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$59.99 - $64.99
$59.99 - $64.99
$59.99 - $64.99
$59.99
L-Type 2 Cylinder Stirling Engine Generator Model with LED Diode and Bulb Science Experiment Teaching Model Toy Collection - enginediy
L-Type 2 Cylinder Stirling Engine Generator Model with LED Diode and Bulb Science Experiment Teaching Model Toy Collection - enginediy
$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99

L-Type 2 Cylinder Stirling Engine Generator Model with LED Diode and Bulb Science Experiment Teaching Model Toy Collection

Double Cylinder Stirling Engine Generator Model with LED Diode and Bulb - L-Type Features:Stirling Engine: The engine can be lit with LED light-emi...

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$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99
Stirling Engine Generator with Luminous Gyroscope Bulb Voltage Display Meter Science Experiment Engine - Balance Type - enginediy
Stirling Engine Generator with Luminous Gyroscope Bulb Voltage Display Meter Science Experiment Engine - Balance Type - enginediy
$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99

ENJOMOR Balance Type Stirling Engine Generator with Bulb, Gyroscope and Voltage Display Meter - STEM Toy

Balance Type Stirling Engine Generator Model Science Experiment Engine Toy with Luminous Gyroscope Bulb Voltage Display MeterFeatures:Novel Appeara...

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$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99
Ford Mustang V8 Engine Model Kit - Build Your Own V8 Engine - Enginediy - enginediy
Ford Mustang V8 Engine Model Kit - Build Your Own V8 Engine - Enginediy - enginediy
$379.99 - $379.99
$379.99
$379.99 - $379.99
$379.99

Ford Mustang V8 Engine Model Kit - Build Your Own V8 Engine - Enginediy

Ford Mustang V8 Engine Model Kit - Build Your Own V8 Engine - EnginediyFord Mustang V8 Engine Model Kit is designed with the Type 289 K-code V8 eng...

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$379.99 - $379.99
$379.99
$379.99 - $379.99
$379.99
Bluetooth Singing Tesla Coil Music Speaker Plasma Loudspeaker Desktop Toy-US Plug - EngineDIY
Bluetooth Singing Tesla Coil Music Speaker Plasma Loudspeaker Desktop Toy-US Plug - EngineDIY
$69.99 - $69.99
$69.99
$69.99 - $69.99
$69.99

Bluetooth Singing Tesla Coil Music Speaker Plasma Loudspeaker Desktop Toy-US Plug

Bluetooth Singing Tesla Coil Music Speaker Plasma Loudspeaker Desktop ToyIon Windmill & Wreath: The arcs heats the air to generate thrust, whic...

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$69.99 - $69.99
$69.99
$69.99 - $69.99
$69.99
Metal Steam Turbine Engine Model Science Experiment Desktop Engine Model - Enginediy - EngineDIY
Metal Steam Turbine Engine Model Science Experiment Desktop Engine Model - Enginediy - EngineDIY
$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99

Metal Steam Turbine Engine Model Science Experiment Desktop Engine Model - Enginediy

Metal Steam Turbine Engine Model Science Experiment Desktop Engine Model - Enginediy Features:.Mechanical Crafts: This is a "unique" steam turbine...

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$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99
Metal DIY Assembly Bicycle Model Simulated Decoration Bike Model - FS-00150
3D Metal Puzzle Retro Nostalgic Road Mountain Bike Model DIY Simulated Decoration Bicycle Model Kit for Adults Kids
$19.99 - $39.99
$19.99 - $39.99
$19.99 - $39.99
$19.99

3D Metal Puzzle Retro Nostalgic Road Mountain Bike Model DIY Simulated Decoration Bicycle Model Kit for Adults Kids

3D Metal Puzzle Retro Nostalgic Road Mountain Bike Model DIY Simulated Decoration Bicycle Model Kit for Adults Kids Features: . Superior material ...

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$19.99 - $39.99
$19.99 - $39.99
$19.99 - $39.99
$19.99
Steam Turbine Engine Model Aircraft Simulation Science Experiment Teaching Aids Gift - EngineDIY
Steam Turbine Engine Model Aircraft Simulation Science Experiment Teaching Aids Gift - EngineDIY
$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99

Steam Turbine Engine Model Aircraft Simulation Science Experiment Teaching Aids Gift

Steam Turbine Model Science Experiment Teaching Aids GiftFeatures:Mechanical Crafts: This is a "unique" steam turbine designed with reference to th...

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$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99
Smithsonian Jet Works Advanced Science Kit - Build Your Own Jet Engine - DIY Assembly Turbofan Jet Engine Model Kit - EngineDIY
Smithsonian Jet Works Advanced Science Kit - Build Your Own Jet Engine - DIY Assembly Turbofan Jet Engine Model Kit - EngineDIY
$69.99 - $69.99
$69.99
$69.99 - $69.99
$69.99

Smithsonian Jet Works Advanced Science Kit - Build Your Own Jet Engine - DIY Assembly Turbofan Jet Engine Model Kit

Smithsonian Jet Works Advanced Science Kit - Build Your Own Jet Engine  Features: .Build your own Aviation turbojet engine with a number of parts,...

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$69.99 - $69.99
$69.99
$69.99 - $69.99
$69.99
ENJOMOR Speed-Controlled Single Cylinder Stirling Engine Model with Ball Bearing Flywheel - STEM Toys - EngineDIY
ENJOMOR Speed-Controlled Single Cylinder Stirling Engine Model with Ball Bearing Flywheel - STEM Toys - EngineDIY
$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99

ENJOMOR Speed-Controlled Single Cylinder Stirling Engine Model with Ball Bearing Flywheel - STEM Toys

Adjustable Speed Stirling Engine Model Science Experiment Stem Toy with Ball Bearing Flywheel - Red Features: .This Stirling engine model is n...

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$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99
Hot Air Stirling Engine Car Engine Model Science Experiment Educational Toy - EngineDIY
Hot Air Stirling Engine Car Engine Model Science Experiment Educational Toy - EngineDIY
$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99

Hot Air Stirling Engine Car Engine Model Science Experiment Educational Toy

Hot Air Stirling Engine Car Engine Model Science Experiment Educational Toy Features: .Unique Car Shape: Stirling engine is applied to the model ...

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$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
ENJOMOR Plane Head Stirling Engine Pocket Free-piston Motor External Combustion Engine Model Toy - EngineDIY
ENJOMOR Plane Head Stirling Engine Pocket Free-piston Motor External Combustion Engine Model Toy - EngineDIY
$54.99 - $54.99
$54.99
$54.99 - $54.99
$54.99

ENJOMOR Plane Head Stirling Engine Pocket Free-piston Motor External Combustion Engine Model Toy

ENJOMOR Plane Head Stirling Engine Pocket Free-piston Motor External Combustion Engine Model ToyFeatures:Science Education Toys: This stirling engi...

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$54.99 - $54.99
$54.99
$54.99 - $54.99
$54.99
Bluetooth Music Tesla Coil
Bluetooth Music Tesla Coil
$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99

10cm Electronic Music Tesla Coil Bluetooth Artificial Lightning Hand Touch Magnetic Storm Coil Experimenting Device Toy Desktop Type

10cm Electronic Music Tesla Coil Bluetooth Artificial Lightning Hand Touch Magnetic Storm Coil Experimenting Device Toy Desktop TypeFeatures:.Deskt...

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$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99
ENJOMOR Balance Type 2 Cylinder Hot Air Stirling Engine Generator Model with LED Bulb and Voltage Meter - STEM Toy - EngineDIY
ENJOMOR Balance Type 2 Cylinder Hot Air Stirling Engine Generator Model with LED Bulb and Voltage Meter - STEM Toy - EngineDIY
$119.99 - $119.99
$119.99
$119.99 - $119.99
$119.99

ENJOMOR Balance Type 2 Cylinder Hot Air Stirling Engine Generator Model with LED Bulb and Voltage Meter - STEM Toy

2 Cylinders Hot Air Stirling Engine Generator Model  with Voltage Meter LED Bulb Balance Type  Science Experiment Educational Toy Features: Nove...

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$119.99 - $119.99
$119.99
$119.99 - $119.99
$119.99
Pumping Unit that Works - Oil Pump Jack Model Kit - TECHING 3D Metal Oilfield Working Equipment with Light Oil Rig Educational Toys Collection 219Pcs - EngineDIY
Pumping Unit that Works - Oil Pump Jack Model Kit - TECHING 3D Metal Oilfield Working Equipment with Light Oil Rig Educational Toys Collection 219Pcs - EngineDIY
$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99

Pumping Unit that Works - Oil Pump Jack Model Kit - TECHING 3D Metal Oilfield Working Equipment with Light Oil Rig Educational Toys Collection 219Pcs

TECHING 219Pcs Pumping Unit Oil Pump Jack Model Kit that Works Details:Brand: TECHINGProduct Name: Pumping Unit Model Kit Material: Aluminium Alloy...

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$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99
LTD Low Temperature Difference Stirling Engine Model
LTD Low Temperature Difference Stirling Engine Model
$44.99 - $44.99
$44.99
$44.99 - $44.99
$44.99

LTD Low Temperature Difference Stirling Engine Model Flywheel Heating Machine Engine Educational Experimental Toy

LTD Low Temperature Difference Stirling Engine Model Flywheel Heating Machine Engine Educational Experimental Toy Features: .Simulation Design: A...

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$44.99 - $44.99
$44.99
$44.99 - $44.99
$44.99
Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Model Education Toy - EngineDIY
Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Model Education Toy - EngineDIY
$27.99 - $27.99
$27.99
$27.99 - $27.99
$27.99

Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Model Education Toy

Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Model Education ToyFeatures:Novel Design: Golden appearance, exquisite and beautif...

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$27.99 - $27.99
$27.99
$27.99 - $27.99
$27.99
Mini Speed Adjustable Integrated Hot Air Stirling Engine Model with Wooden Base Science Experiment Educational Toy - EngineDIY
Mini Speed Adjustable Integrated Hot Air Stirling Engine Model with Wooden Base Science Experiment Educational Toy - EngineDIY
$74.99 - $74.99
$74.99
$74.99 - $74.99
$74.99

Mini Speed Adjustable Integrated Hot Air Stirling Engine Model with Wooden Base Science Experiment Educational Toy

Mini Adjustable Speed Integrated Hot Air Stirling Engine Model Science Experiment Educational Toy Features: .Exquisite Ornaments: The Stirling e...

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$74.99 - $74.99
$74.99
$74.99 - $74.99
$74.99
Smithsonian Motor Works Advanced Science Kit - Build Your Own 4 Cylinder Engine Model Kit - DIY Assembly Combustion Engine Kit - EngineDIY
Smithsonian Motor Works Advanced Science Kit - Build Your Own 4 Cylinder Engine Model Kit - DIY Assembly Combustion Engine Kit - EngineDIY
$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99

Smithsonian Motor Works Advanced Science Kit - Build Your Own 4 Cylinder Engine Model Kit - DIY Assembly Combustion Engine Kit

Smithsonian Motor Works Advanced Science Kit - Build Your Own 4 Cylinder Engine Model Kit Features: .Build your own car engine with a number of pa...

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$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99