- Anyone who is 14 years old or younger at the time of submission.
- Working individually or in teams (1–4 people).
- Supervised by a teacher, mentor or parent.
- Enrolled full time in a primary or secondary school, a member of a Scout Group, coding/after-school club or certified home school located in an ESA Member State, Slovenia, Canada, Latvia or Malta.
- 50% of your team members must be citizens of an ESA Member State, Slovenia, Canada, Latvia or Malta.
ESA Member States
Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Luxembourg, the Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, United Kingdom.
ESA will also accept entries from primary or secondary schools located outside an ESA Member State only if such schools are officially authorised and/or certified by the official education authorities of an ESA Member State (for instance, a French school outside Europe officially recognised by the French Ministry of Education or delegated authority).