Do You Know?

CBeebies

Friday 15 February 2019  16:25 - 16:40 (15 mins)
5/25. 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]

Do You Know? (CBeebies) Friday 15 February 2019 16:25 - 16:40