Sarah Hennessy, Megan Freeney and Eah O'Gorman from St. Mary's Secondary School in Tipperary had one of the BEEst stands at the BT Young Scientist Exhibition.
Everyone was trying to get photos with the girls who really made the effort with the bee theme.
They investigated the effect different materials had on bee health using sensors that monitored beehive conditions.
Subscribe or register today to discover more from DonegalLive.ie
Buy the e-paper of the Donegal Democrat, Donegal People's Press, Donegal Post and Inish Times here for instant access to Donegal's premier news titles.
Keep up with the latest news from Donegal with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.