The youth zone is packed, the atmosphere expectant and the session on how to win using social media just getting underway when Lisa Nandy, shadow minister for children, utters a mild threat.
I'm less interested in appearance and more interested in what most ordinary people want of life.
Ed Miliband has indicated that a threat by banks to move abroad would not deter him from breaking them up if they did not agree to revolutionise their operations and put ordinary customers first.
Ed Miliband will make his boldest, most controversial policy commitment since becoming Labour leader on Sunday when he pledges to force the break-up of Britain's biggest banks unless they agree to revolutionise their operations and put ordinary customers first.
"I'm flattered," he laughs. The flattery comes from an unexpected source: the Tories and their plans, extensively pre-briefed to the media, to make a personal target of the Labour leader by trying to define him as weak, weird, callow and much too red to be a suitable occupant of No 10.
Ed Miliband has failed to win the confidence of Labour voters who believe his brother David would make a better leader, according to a new poll commissioned by the Tories.