Sand Animation

I was browsing from the documents of our computer my eyes laid on one of the video that was stored in there. Out of curiousity i open it and watch the said video and i was amazed of how the artist draw his masterpiece on the sand using the fingers. I don't know who the artist is, so i went to the site that was in the video and i read that her name is Ilana Yahav she is a world renowned sand animation artist.Ilana draws her masterpiece in the sand on a glass table.