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Mechanical model 3D printing technology craft clock science principle youth handmade ornaments
- Model #: WDF-F4329
- $38.14 –
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Simple mechanical pendulum clock model 3D printing parts assembly teaching large balance wheel gear set
- Model #: WDF-F4326
- $37.78 –
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Model mechanical clock principle escapement structure pendulum clock 3D printing teaching model technology technology
- Model #: WDF-F4685
- $84.47 –
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Perpetual motion machine model ball cycle handmade small maker
- Model #: WDF-F4669
- $80.01 –
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Miniature spiral wind turbine model breeze start science experiment power generation lighting
- Model #: WDF-F6522
- $87.00 –
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Electronic saw pneumatic float, air-floating table marbles
- Model #: WDF-F11361
- $129.20 –
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8-coil circular cyclotron accelerator youth toy high-tech intelligence science experiment model
- Model #: WDF-F5147
- $490.72 –
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