Maddie's Do You Know?

Maddie is out and about exploring different ways to travel. She visits an airfield and a workshop to see how a tricycle is constructed. [S] [HD]

Maddie is in the bathroom. She uses a special underwater camera to find out how a toilet flush works and why it makes a gurgling sound. [S] [HD]

Maddie visits a fairground and goes for a ride on a carousel, using a special camera to find out how it works. [S] [HD]

Maddie visits a building site. She uses a special camera to see how a big crane works to move heavy objects from one place to another. [S] [HD]

Lock and Key and Glass. 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] [HD]