2013 Water for thought
2012 Astronomy & Time: The Mayan Legacy
2011 Chemistry
2010 Biodiversity
2009 Optics Laima Servaité, Lietuvos Gamtos Mokslų Olimpiadų Asociacija,
 
 
2008 Solar Energy Anna-Maria Antonova Petrova, Sports school “G. Benkovski”, Varna,
 
 
2007 The Tops Christian Vandercammen, Jeunesses Scientifiques de Belgique,
 
 
2006 Water Fountains Tatiana Belenova, Science Club for Kids,
 
 
2005 Water Rockets IES Guindavols, lleida,