Each team must consist of a minimum of three and maximum of six young people from within the Key Stage 3, 4 or 5 age group or aged between 11 and 19. The team may all be of the same age group or consist of a mixture of different ages. Educational organisations may coordinate teams with students from across different year groups. Teams of more than six will not be allowed to enter the competition. Teams must follow a safe working practice at all times during their vehicle build.