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Domiuie Steam Engine Model Kit, 77mm 12V Miniature Brass Motor Suit for Steam Engine Internal Combustion Engine Model, Physics Experiment Toy for Adults

MINDKEEPS 210ML Vertical Steam Boiler with Safety Valve, High-Pressure Pipe & Alcohol Burner for Steam Engine Models, RC Cars & Ships, Physical Science Experiments Toys for Adults

HOENTECH WS-15 Turbofan Engine Kit That Runs, 1/18 Aircraft Turbofan Engine Model, 3D Printed Assembly Simulation Turbine Toy Physics Experiment Set for Adults

Partekavo V8 Engine Model Kit for Adults, Mini Engine Build Kit That Runs, RC Combustion Engine Model Kit, Suitable for Model Car AX90104 SCX10Ⅱ Capra VS4-10 Pro/Ultra

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