The project consisted of two international youth exchanges: 1) Objectives for The Happiness Experiment: Enhance the feeling of happiness and well-being: Create an environment where young people experience increased joy and well-being through community, reflection, concrete tools, and positive activities. Foster personal development and self-awareness: Give participants the opportunity to get to know themselves better using reflection, build self-confidence, and gain the courage to try new things. Create friendships across countries: Build strong relationships and networks among young people from different countries and backgrounds. Strengthen international understanding and global citizenship: Increase participants’ understanding of other cultures and give them the experience of being part of a larger European and global community. Promote active participation and engagement: Motivate young people to take an active part in activities, express their opinions, and take responsibility for the community. Improve English skills: Provide participants with the opportunity to practice and improve their English language skills in practice through daily communication and collaboration. 2) Objectives for YoungVoices: Empower youth to voice their opinions confidently: Provide young people with tools and a safe environment to formulate and stand by their own opinions. Explore the concept, importance, and different ways of being a young and active citizen: Inspire young people to reflect on what it means to be an active citizen and how they can engage in society. Strengthen communication and collaboration abilities: Develop participants’ ability to communicate clearly, listen to others, and collaborate in international groups. Foster cultural exchange and mutual understanding across nations: Create encounters between young people from different nations so they can learn about each other’s cultures and build respect and understanding. Inspire young people to take action on pressing challenges: Motivate participants to take initiative and engage in solving societal or global challenges. Create a supportive network of young changemakers: Build relationships and networks so young people can support each other and continue their engagement after the project.