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and the design structure and part quality exceed the model level manufacturing level
heat energy into mechanical kinetic energy
After using the steam engine
High Quality: Good ignition effect and long service life
2-in-1 DIY Stainless Steel 3D Tarantula Scorpion Puzzle Model Kit with Black Speaker Type_DIY Stirling Engine and the design structure andDIY Stainless Steel 3D Puzzle Model Kit Metal Assembly Mechanical Crafts with Black Speaker (Choices: Tarantula or Scorpion)Features: Using high quality metal materials, laser cutting ultra precision high quality metal models Do not need glue, just connect by screws according to the assembly drawing. You can assemble a scorpion shape or a tarantula shape (choose one of the two, not two at the same time for assembly) You can also use existing parts and
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