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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
Weight: 330g / 11
please carefully purchase
Its superior quality and refined appearance also have a certain collection
CHALLENGE YOURSELF---- You need to completely assemble the unit from a couple of dozen parts
STEM Hot Air Stirling Engine Model Generator STEAM DIY Physics Science Experiment Kit Color:White Weight: 330g / 11Micro Metal Stirling Engine Model with Brass Cylinder and Aluminum Alloy Holder Black Features: . Exquisite Appearence: Fine polished model feels smooth and comfortable, highlighting the exquisite workmanship. The appearance is elegant black, with metal sense and modern technology sense, realizing the dual combination of texture and aesthetic feeling, highlighting exquisite workmanship . Excellent Performance: Brass cylinder, stainless steel piston,
