This is an Erasmus+ project KA2 involving four European countries : Estonia, France, Iceland and Italy during 2 years (from September 2020 to September 2022). The project promote sciences and math skills. All schools will contribute in different areas of expertise : -robotic and ICT for Estonia, -ACE-ArithmEcole method in maths and computer science for France, - outdoor learning and eco-school for Iceland, - STEAM (Science, Technology, Engineering, the Arts and Mathematics) and techno CLIL for Italy. Students will be involved in the exchanges through different activities: a collaborative STEM challenge, STEAM productions (arts project and sciences) …