5 Season
30 Episode
Think of a Number - Season 1 Episode 3 (1984)
This week Johnny looks at family trees, works out how to get rid of a boomerang, puts nylon in an endless spin and turns a fossil back into a dinosaur with the aid of an element that never forgets. Meanwhile - Think of a Number - a half is a third of it - what's the number ?
- Country : United Kingdom
- Genre : Family, Kids
- Studio : BBC One
- Director :
- Cast : Johnny Ball
