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A lovag és a sárkány - balansz lemezből

Price:
20,380 Ft
Model: lem-0930-13
Availability: Last 1 db in stock
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.
Qty:

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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