Quick Overview: You've ridden one—but have you seen how the mechanisms 0:00 When escalators go wrong 2:43 The first escalator 5:01 Maddie from CBeebies 'Do You Know?' shows us how
You've ridden one—but have you seen how the mechanisms 0:00 When escalators go wrong 2:43 The first escalator 5:01 Maddie from CBeebies 'Do You Know?' shows us how
You've ridden one—but have you seen how the mechanisms
How
How does an escalator work
How an
An
0:00 When escalators go wrong 2:43 The first escalator 5:01
Escalator
Ever wondered how
Join Maddie as she finds out how things
... loop this Loop
Maddie from CBeebies 'Do You Know?' shows us how