Micro electric motor inside. The smallest ever to buy ?

You can buy this electric coreless dc motor on eBay. Only 2$
http://www.ebay.com/sch/i.html?_from=R40&ghostText=&_sacat=0&_sop=15&_nkw=Micro+Coreless++Motor&rt=nc&LH_BIN=1
I have burned 2 of theses

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