The Nautilus Project (TNP) are currently attend a two day Diverciencias event at the Plaza Alta in Algeciras.
The event is attended by thousands of students and will see stalls from all over Andalucia.
TNP representatives have set up their Gibraltar stand early this morning and will be at the Science Fair for the next two days.
A spokesperson said: "TNP is thrilled to be able to participate in this fantastic major science celebration. Raising marine issues and learning about our sea life and how to best to protect it for future generations, transcends all borders."