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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
Precautions: The piston must be rotated to let it in or it is easy to break
Three levels of recoil strength can be selected
2 laps of oil needle factory debugging
children which under 14 years old are required to use it under supervision of adult
★FANTASTIC GIFT FOR EVERYBODY: great design and fine workmanship with affordable price make this engine a great gift for everyone
Stirling Engine Generator Model Physics Science Experiment Kit STEM Toys - Lividity Color:Yellow Precautions: The piston must be(Random Color of Bulb) Features: . Exquisite Appearence: The stirling engine model looks high end. Exquisite appearance with brilliant colors. . High Quality: The base is stable and steady. Heating cylinder and power cylinder are beautiful and durable. The piston does not wear out at high speeds for long periods of time. . Combination: The Stirling engine body is fitted with a small generator. Additionally equipped with alcohol lamp, 5V5W big bulb,
