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Este “tren eléctrico” se hace de imanes, alambre de cobre y una pila seca AA.

Es un placer disfrutar de este tren eléctrico estructura simple.

Alex Celi

This entry was posted on Monday, December 1st, 2014 at 9:56 pm and is filed under Ciencia, Miscelánea. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.