50-100 usd

Vacuum Engine Flame Licker Engine Flame Licker Engine Motor Model Educational Toy Vacuum engine (also called flame-licker engine, flame-engine, fl...

在 Instagram 查看这篇帖子 physicsfun (@physicsfun) 分享的帖子   The wimshurst machine is an electrostatic generator, a m...

Using Tips:1, Being used to start the fixed-wing 45-90 grade methanol engine/10-80CC gasoline engine. 2, You can hold the starter with both hands o...

Aircraft Stirling Engine Mini Pocket Stirling Engine Power Generator Engine Model Toy - A Stirling engine is a heat engine that operates by cyclic...

Microcosm M81 Mini Steam Engine Kit Micro Scale Model Gift Collection - Enginediy A steam engine is a heat engine that performs mechanical work usi...

Magnetic Levitation Module DIY Maglev Furnishing Articles Kit Precise 500g Digital Movement Module with LED Light Features:Technical Decorations: T...

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

Stirling Engine Hot Air Stirling Engine Electricity Generator Model Colorful LED Educational Toy Enginediy The Stirling engine model is mainly cons...

Features: .Desktop-level integrated mini solid state Tesla coil, the primary and secondary are made of PCB, highly integrated, more clean and safe...

Twin Low Temperature Difference Stirling Engine 2 Cylinder LTD Stirling Engine Toy Gift How does Twin LTD Stirling Work?Stirling engines work by c...

2 Stroke RC Car Engine 36000 RPM 2.95CC 18 Methanol Engine for HSP HPI 1:10 Car Buggy Truggy Truck (with RC Engine Mount) Features: ✔Application: T...

Stirling Engine Model 4 LED Light Stirling Engine Electricity Power Generator Education Toy The Stirling engine model is mainly constructed by meta...

Mini Inline 2 Cylinder Steam Engine for 40cm Retro Boat Model - Gift Collection - EnginediyA steam engine is a heat engine that performs mechanical...

Waterwheel that Works - Water Wheel Model Kit - TECHING Waterwheel DIY Assembly 3D Metal Mechanical Puzzle Energy Education Collection 202PcsEnergy...

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

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...

Bluetooth Music Tesla Coil Plasma Speaker with 100-240V Adapter - US Plug Features: .The product adopts a newly designed PCB circuit board. The c...

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

Microcosm P60 Mini Steam Engine Flyball Speed Governor for Steam Engine Model Flyball Speed Governor is worked with steam engine. The spring pressu...

Stirling Engine Generator Solid Metal Construction Electricity Generator (Light up Colorful LED), My First Stirling Engine The mini Stirling engin...

Hot Air Stirling Engine External Combustion Engine Motor Model Education Toy Electricity Power - Enginediy The Stirling engine is used to produce ...

DIY Metal Rail Track Accessory for Steam Train Assembly Engine 33ED2597848 Features:1, High Quality: Made of metal, durable to use.2, DIY Assembly:...

Magnetic Levitation Motor 20000RPM High-speed Hall Effect Sensor Brushless Motor Science Toy - Enginediy Magnetic levitation motor is using super ...

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

Engine DIY Kit Dual-coil Brushless Motor Hall Electric Machine Physical Experiment Engine Model Toy Key Points: 1, Engine DIY Kit Model with doubl...

  Key Points: 1, Selected high-quality materials, the whole machine is made of pure metal. The overall polishing is meticulous, the color is brigh...

512PCS Metal Steampunk Mechanical Spider Bluetooth Speaker Model KitFeatures:Recyclable metal material: The model is made of premium quality metal...

Bluetooth Music Tesla Coil Plasma Speaker Scientific Experiments Tool Educational Toy with AC100-240V Adapter - US Plug (Golden) Features: .Adopt...

Vacuum Engine Fame Eater Engine 100-2000RPM Flame Licker Engine Model Educational Toy Features:- Flame Licker Flywheel Stirling Engine Model Motor ...

Steampunk 3D Butterfly Model Metal Puzzle DIY Assembly Kit for Kids, Teens and Adults (150PCS+) Features:.The model is made of premium-quality meta...

ENJOMOR  Stirling Engine Metal Low Temperature Difference LTD Coffee Engine Gear Transmission Heat Engine Model Features:LTD Stirling Engine: Fanta...

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HFSSTC Tesla Music Coil Electronic Candle High Frequency Plasma Flame 36-48V DC DIY Experimenting Device Teaching Tool Desktop Toy Features:Wide Ra...

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