Learn the 3Rs (recycle, reduce and reuse) while becoming a 3E (eco education expert):- Games: use Scratch to learn where to throw rubbish.- Recycling: learn where each waste goes.- Map: find your city and visit the garbage management website.- Crafts: watch the videos in which we teach you how to reuse waste.- The 3Rs: know this technique to make the world a sustainable place.Project of the Luis Amigó Curiosity team (Paula Apesteguía Casimiro, Nerea Ayesa, Azcárate, Lucía Díaz Rodríguez, Ainhoa Lizarraga López, Veselca Nedkova Dzhambazova, Pablo Pérez Gaite, Daniel Redín Lara and Aitor Ros Bengochea) for the ECO Innnovación Educativa 2021 contest.