Where To Stream Maddie's Do You Know? Season 1 Episode 22
Escalator and Wheelbarrow
- Aired November 1, 2016
- 15 Min
Maddie is at a shopping centre. She uses special cameras to find out how an escalator works to move people from one floor to another.
Escalator and Wheelbarrow
Maddie is at a shopping centre. She uses special cameras to find out how an escalator works to move people from one floor to another.