This document summarizes several eTwinning projects carried out by teachers in Serbia with students of different ages. It describes activities like students using Kahoot quizzes on their phones, filling out questionnaires from other schools, doing presentations on energy efficiency and solar energy, and creating games using the Scratch platform. It also lists URLs for project pages and resources. Primary school students collaborated on an online magazine and poem writing. Preschool students made a video about helping friends called "Hands for My Friends."