5 Season
30 Episode
Think of a Number - Season 3 Episode 5 Hello Listeners (1984)
Listening to loud sounds, soft sounds, old sounds and new sounds. Recording some of the first sounds. Investigating drums in the head. Transmitting sounds with a milk bottle and asking a machine to do the talking. Meanwhile sort this out 'ear: A record costs £2 plus half its price. How much does it cost ?
- Country : United Kingdom
- Genre : Family, Kids
- Studio : BBC One
- Director :
- Cast : Johnny Ball
