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Mechanical model 3D printing technology craft clock science principle youth handmade ornaments
- Model #: WD-F3121
- $38.14 –
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Halloween Door Bell Skull Haunted Doorbell with Sound Light-Up Eyeball Scary Halloween Party Props for Front Door A
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- Model #: ll-3916
- $20.04 –
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Perpetual motion machine model ball cycle handmade small maker
- Model #: WD-F3462
- $80.01 –
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Baseball Roller Trolley Case Equipment with Fence Hook Bag Light Baseball Bat Suitcase with Shoe Rack
- Model #: WD-F3736
- $170.87 –
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Simple mechanical pendulum clock model 3D printing parts assembly teaching large balance wheel gear set
- Model #: WD-F3118
- $37.78 –
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Mechanical model 3D printing escapement structure principle device spring power gear transmission
- Model #: WD-F3252
- $50.71 –
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10PCS/LOT K346 43*19*3mm D-hole Rubber Wheel Suitable N20 Motor D Shaft Tire Car Robot DIY Toys Parts
- Model #: ZXH-H9648
- $16.99 –
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H2468 model mechanical clock internal structure 3D printing science education equipment youth technology handicraft
- Model #: WD-F3217
- $47.23 –
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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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