The hope of Britain's future computer science industry is gathered around a tiny device in a school classroom in Cambridgeshire.
The pupils of Chesterton Community College ICT class have been invited to road-test the long-awaited Raspberry Pi computer.
A projector throws the image of what the Pi is generating - a simple game of Snake (available on any Nokia phone near you) - onto a whiteboard.
The atmosphere is feverish as the 12-year-olds compete for the keyboard.
Crucially, they are not just playing the game - they have created it by writing their own computer code.
For Eben Upton - the smiling man in the midst of the throng - it is a thoroughly satisfying conclusion to long years of thinking and planning
