Cirkuszi elefánt - balanszjáték lemezböl
Price:
22,180 Ft
| Model: | lem-0930-3 |
| Availability: | Elfogyott |
| Belengetve a szerkezet hintázásba kezd, az elefánt egyensúlyozza a labdákat | |
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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