Dragon balance tin toy
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Price:
27,820 Ft
| Model: | lem-0930-13 |
| Availability: | Elfogyott |
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The evil dragon robbed the beautiful princess and the knight goes to save her. The dragon and the knight are fighting wich one will be the winner? Balance tin toy. |
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Description
Perpetual motion describes "motion that continues indefinitely without any external source of energy; impossible in practice because of friction." It can also be described as "the motion of a hypothetical machine which, once activated, would run forever unless subject to an external force or to wear".
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