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Do You Know?
2019-03-04-1625
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Do You Know?
CBeebies
Monday 4 March 2019 16:25 - 16:40 (15 mins)
16/25. Maddie uses a special camera and animation to see how a key works inside a lock and shows how the hidden barrel and pins allow the matching key to unlock it. [S]
Dvber 2024