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the cylinder is made of CNC
High Power Single Coil Electromagnet Reciprocating Motor Physical Experiment Model
Output Power: 3
Accessories material: stainless steel
All Metal Mini Hot Air Stirling Engine Motor Model Educational Toy Kits with Fan and Bulb Halloween Sale the cylinder is made ofAll Metal Mini Hot Air Stirling Engine Motor Model Educational Toy Kits with Fan and Bulb Features: . Beautiful Appearance: The body is made of finely polished aluminum alloy. The surface is smooth and bright, emitting silver light, not easy to rust and fade. It looks very mechanical and technical, and realizes the combination of texture and beauty . Superior Performance: Stable and strong, quartz heating tube can run at high speed for a long time
