Yuri Ostr

2 old videos with fewer than 5,000 views from this channel.

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• 1:41 How to make Flashlight more Powerful

  Yuri Ostr

  4,277 views · 3 January 2015

• 0:52 Homemade Electric Car from a Plastic Bottle - Toy car - Airplane car

  Yuri Ostr

  4,736 views · 5 May 2016