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Mechanical design model Spring power gear set escapement structure Pendulum clock principle teaching model
- Model #: WD-F3343
- $63.23 –
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Gear escapement structure model, mechanical clock principle, 3D printing, metal hairspring power
Limited time offer, ends 07/06
- Model #: WD-F3497
- $88.32 –
- More options from $88.32 - $89.33
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Diy Electronic Kit LED Gyro DIY Welding Kit Rotating Lantern Inline Components Diy Electronic Project(without )
- Model #: ZXH-H8629
- $13.99 –
- More options from $12.99
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Motorcycle Scooter Air Pump Assembly Universal Steering Air Pump Connector Black Resin
- Model #: WD-F7905
- $34.34 –
- Free Shipping

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Balancing machine balancing instrument auxiliary accessories lead indicator light positioning light optical lamp modified infrared lamp
- Model #: WD-F8145
- $61.09 –
- Free Shipping

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Bicycle horn high pitch electric horn mountain bike road bike riding with compass electric horn
- Model #: WD-F3186
- $44.71 –
- Free Shipping

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Miniature spiral wind turbine model breeze start science experiment power generation lighting
- Model #: WD-F8229
- $87.00 –
- Free Shipping

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- $73.19 –
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- $144.05 –
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Outdoor parasol accessories replacement handrail spool ring parts
- Model #: WD-F7972
- $38.11 –
- Free Shipping