Maddie's Do You Know?

BBC RB 1

Friday 24 April 2020  11:40 - 12:00 (20 mins)
Bike Chain and Tennis Ball. Maddie uses a special camera to find out how the chain on a bicycle works and visits a factory to see how rubber is made into tennis balls. [S]

Maddie's Do You Know? may be available on playback
Maddie's Do You Know? (BBC RB 1) Friday 24 April 2020 11:40 - 12:00