Well I hope a lot of youngsters will respond and participate. If we could have afforded it (and gotten more time) we might have gone, if only to encourage said youngsters.
I love teaching and one of the principal goals in my life is gathering and passing on any knowledge I can get my eyes and/or hands on. So it is a TV company that organises it, big deal, at least your BBC is still adhering to its original purpose to educate the masses !