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Model mechanical clock principle escapement structure pendulum clock 3D printing teaching model technology technology
- Model #: WD-F3478
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Mechanical model 3D printing technology craft clock science principle youth handmade ornaments
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Mechanical design model Spring power gear set escapement structure Pendulum clock principle teaching model
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Simple mechanical pendulum clock model 3D printing parts assembly teaching large balance wheel gear set
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Simple mechanical pendulum clock principle model 3D printing parts assembly teaching large pendulum gear set
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Gear transmission mechanical model spring power device 3D printing rotating escapement structure decompression toy
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Mechanical model 3D printing escapement structure principle device spring power gear transmission teaching model
- Model #: WD-F3119
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55pcs Colorful Mixed Plastic Gear Gearbox DIY Child Kid Toy Ship Car Boat Plane Robot Air Craft RC Model DIY Repair Toolkit
- Model #: ZXH-H9433
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1SET NE555 Component Electronics Electric Piano Organ Module DIY Kit Learn electronic principles,
- Model #: ZXH-H9238
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