Nostalgia Time: The Great Egg Race
A lot of the youngsters on here won't know what I'm talking about, but back in the stone age (1970's - 1980's) we had a fantastic tv show called The Great Egg Race.
BBC Magazine Article
Fronted by the excellently eccentric Prof. Heinz Wolff, it was a great programme and now the BBC have digitised it:
BBC - Archive - The Great Egg Race - Cracking feats of engineering
At the time it was one of the best things ever on tv but perhaps I'm a bit biased.
And there was the delectable Charlotte Allen, the thinking-man's totty, as a bonus: