5 Season
30 Episode
Think of a Number - Season 1 Episode 5 (1984)
This week Johnny discovers some dicey things about dice and a number over a thousand miles long; also something heavy about gold and cutting about diamonds. Meanwhile - Think of a Number. By using two minus and one plus signs make this all add up! 123456789 = 10
- Country : United Kingdom
- Genre : Family, Kids
- Studio : BBC One
- Director :
- Cast : Johnny Ball
