Do You Know?

CBeebies

Saturday 19 January 2019  10:15 - 10:30 (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) Saturday 19 January 2019 10:15 - 10:30