Dailymotiom is french so I had hoped that anyone wanting to watch them could just go there. However, I don’t see most of the videos in question there.

Looks like the videos exist on this Russian video hosting site: https://m.vkvideo.ru/?q=Lego+trump&action=search

They likely meant tries / prefix trees.

Note that the title is referring to ore extraction mines. At first I thought they meant a new military anti-vehicle mine. :O