Drunken students looking for a memento of a night out may soon have to leave flashing roadwork beacons behind.
Sixth-formers from Solihull school have invented a lock as part of their engineering studies that is to be piloted by the National Grid.
The company set the students the task of building a device to reduce theft from sites where engineers are carrying out works.
The challenge was part of the Engineering Education Scheme, a national organisation sponsored by the Royal Academy of Engineers to encourage young people to pursue a career in engineering.
