This document summarizes an eTwinning project called Robo-Wonderers that took place from January to June 2018. It involved international robotic construction teams from Slovakia and Greece who collaborated using various web 2.0 tools. These included productivity tools like Twinspace and Teamup for project pages and calendars. Collaboration tools included Google Docs for shared files and Padlet for a digital canvas. Create tools included Scratch for coding and Canva for posters. Interact tools included Ideaflip for brainstorming and Strawpoll for simple voting. Presentation tools included Prezi and Pixteller for creating posters.