In the week A-Level results are due a campaign has been underway to get more youngsters interested in engineering.
50,000 school children have taken part over the last few years. Half of applicants were girls - and some of their designs have gone on to generate prototypes made at top universities.
Today, three of their creations were presented at Gatwick Airport with some top engineers watching on.
Andy Dickenson reports and speaks to Susan Scurlock, founder of Primary Engineer, and young engineers Massie Crook, Douglas Macartney and Krystyna Marshall.