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GIFTS FOR HIM stem123

Original price $149.99 - Original price $149.99
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V8 Electromagnetic Engine 5V 4W 8 Coils High Speed V-Shaped Automobile Engine Model for Gift Collection

Electromagnetic Engine 5V 4W 8 Coils High Speed V-Shaped Automobile Engine Model for Gift Collection An electromagnetic engine model can be used ...

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Original price $149.99 - Original price $149.99
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$149.99
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Original price $299.99 - Original price $299.99
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Start Ignition and Water Cooling Kit for HOWIN & TOYAN V8 Engine FS-V800 Engine - TOYAN Original

Original Start Ignition and Water Cooling Kit for HOWIN & TOYAN V8 Engine FS-V800 / V800G Engine Package List:8* Glow Plug2* 4-in-1 Ignition Mo...

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Original price $299.99 - Original price $299.99
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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy

在 Instagram 查看这篇帖子 physicsfun (@physicsfun) 分享的帖子 Mini Hot Air Stirling Engine Motor Model STEM Educational ...

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Original price $20.99 - Original price $20.99
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ENJOMOR DIY Stirling Engine Model Kit - Metal Balance Hot Air Stirling Engine Model Educational Toy

ENJOMOR DIY Stirling Engine Model Kit - Metal Balance Hot Air Stirling Engine Model Educational ToyFeatures:.Creative Design: Different from the no...

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Original price $69.99 - Original price $69.99
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Original price $79.99 - Original price $79.99
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Stirling Engine 2 Cylinder Stirling Engine Model with Electricity Generator Science Toy

Stirling Engine 2 Cylinder Stirling Engine Model with Electricity Generator Science Toy The Stirling engine kit is powered by the expansion of the...

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Original price $79.99 - Original price $79.99
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Stirling Engine Generator Model DIY Assembly Kit Physical Experiment

Features: .The Stirling engine model is a assembly version, you need to DIY assembly by yourself, with complete spare parts, simple structure and ...

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MAD RC V8 Engine Mount Bracket

MAD RC V8 Engine Mount BracketFeatures:.The engine bracket is used with the MAD RC V8 engineSpecifications:.Material: Plastics.Product Weight: 200g...

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Original price $19.99 - Original price $39.99
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6 Cylinder Stirling Engine Novel Gatling Blaster Design Engine Motor Model - Enginediy

6 Cylinder Stirling Engine Novel Gatling Blaster Design Six Cylinder Stirling Engine Motor Model - Enginediy The 6 cylinder Stirling engine is a h...

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Original price $179.99 - Original price $179.99
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Original price $49.99 - Original price $259.99
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Mystery Box - Build Your Own V8 Engine Model Kit

Mystery Box - Build Your Own V8 Engine Model Kit Do you like to be surprised? Do you like to build your own engine?EngineDIY picks up some engine ...

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Original price $49.99 - Original price $259.99
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Original price $79.99 - Original price $79.99
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Starter Kit for ENJOMOR V8 GS-V8 Engine and DOHC 36cc DOHC Inline 4 Cylinder 4 Stroke Gasoline Engine

Starter Kit for ENJOMOR V8 GS-V8 Engine and DOHC 36cc DOHC Inline 4 Cylinder 4 Stroke Gasoline EngineSpecifications:Oil Tank.Material: Plastic.Prod...

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Original price $79.99 - Original price $79.99
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Microcosm M89 Mini Steam Boiler Steam Engine Model Gift Collection DIY Stirling Engine - Enginediy

Microcosm M89 Mini Steam Boiler Steam Engine Model Gift Collection DIY Stirling Engine - Enginediy A steam engine is a heat engine that performs me...

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Original price $129.99 - Original price $129.99
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Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model

在 Instagram 查看这篇帖子 physicsfun (@physicsfun) 分享的帖子 Hot Echo Type Single Cylinder Quartz Heating Tube Stirling ...

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Original price $29.99 - Original price $29.99
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Original price $149.99 - Original price $149.99
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ENJOMOR Vintage 4-Blade Heat Powered Thermal Stove Fan Stirling Engine Physics Science Experiment Toy

Thermal Power Stove Fan Vintage Stirling Engine Physics Science Experiment Energy Education ToolFeatures:Vintage Model: This is an antique fan and ...

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Original price $149.99 - Original price $149.99
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Hand Crank Generator AC/DC Generator Physics Faraday Electromagnetic Teaching Instruments - Enginediy

Hand Crank Generator AC/DC Generator Physics Faraday Electromagnetic Teaching Instruments - Enginediy Hand crank generator is intended to demonstr...

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Original price $119.99 - Original price $119.99
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Supercharger for TOYAN V8 Engine - TOYAN Original

Original Working High Performance Supercharger Compatible with TOYAN V8 Engine FS-V800 Upgrade Your TOYAN V8 Engine with Original Supercharger t...

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Original price $399.99 - Original price $399.99
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Teching V8 Engine Model Kit Metal Assembly DIY Kit 500+Pcs Mechanical Car Engine Science Experiment Physics Toy

Teching V8 Engine Model Kit Metal Assembly DIY Kit 500+Pcs Features: .Exquisite Model Decorations: V8 engine model kits, highly textured metal pa...

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Original price $699.99 - Original price $699.99
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Original price $79.99 - Original price $79.99
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Stirling Engine Car Model DIY Stirling Engine Vehicle Kit Toy Engine

Stirling Engine Car Model DIY Stirling Engine Vehicle Kit Toy Engine The Stirling engine kit is with car design, the base-plate is made of hard sol...

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Original price $79.99 - Original price $79.99
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$79.99
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Original price $249.99 - Original price $399.99
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HOWIN×TOYAN V8 Engine FS-V800 Base and Bracket Set

HOWIN×TOYAN V8 Engine FS-V800 Base and Bracket SetFeatures:.This starting and mounting fixed base with bracket is suitable for HOWIN*TOYAN V8 engin...

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Original price $249.99 - Original price $399.99
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Stirling Engine Kit Double-Cylinder Stirling Engine Generator Electricity with Colorful LED Lights

  Key Points: 1, Made of precision, the whole is made of high-grade materials, and the heating tube is quartz glass; Not only good heat dissipatio...

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Original price $34.99 - Original price $34.99
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$34.99
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Original price $139.99 - Original price $139.99
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Stirling Engine Kit Two Cylinder Stirling Engine with Electricity Generator Model Gift Collection

Stirling Engine Kit Two Cylinder Stirling Engine with Electricity Generator Model Gift Collection This is an interesting model toys, this Stirling...

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Original price $139.99 - Original price $139.99
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$139.99
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ENGINEDIY Stirling Engine Car Model Set Engine DIY Assembly Kit Physical Experiment Toy

Features: .Innovative Design: This product is a spare part and requires DIY assembly, complete spare parts, simple structure and easy assembly. Th...

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Original price $64.99 - Original price $64.99
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Original price $279.99 - Original price $279.99
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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...

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Original price $279.99 - Original price $279.99
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Stirling Engine L-Shape Two Cylinder Stirling Engine External Combustion Engine with Big Bulb

Stirling Engine L-Shape Two Cylinder Stirling Engine with Big BulbStirling engine are powered by gases that expand when heated and contract when co...

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Original price $59.99 - Original price $59.99
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$59.99
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Original price $89.99 - Original price $89.99
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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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Original price $89.99 - Original price $89.99
Original price
$89.99
$89.99 - $89.99
Current price $89.99