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. Show more

Maddie looks at food and drink. She finds out how bubbles get inside a bottle of fizzy water and sees how a factory turns milk into yogurt. Show more

Maddie meets furry friends. She uses special cameras to learn how a digital cat flap works and visits a farm to see how a fleece is sheared from a sheep. Show more

Maddie explores different ways to travel. She sees a boat propeller in action and visits a factory to see how a hot-air balloon is made. Show more

Maddie visits a hospital. She finds out how a blood pressure monitor works and visits the plaster room to see how a cast is made. Show more

Maddie is out and about exploring different ways to travel. She uses a special camera to find out how a bus ramp works to help people get on and off the bus. Show more

Maddie goes for a fun day out. She visits an indoor water park and uses a special waterproof camera and animation to show how a water slide works. Show more

Maddie explores some favourite foods. She visits a pasta factory to see how flour is mixed with water and turned into pasta dough. Show more

Maddie is out and about exploring different ways to travel. She visits an airfield and a workshop to see how a tricycle is constructed. Show more

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. Show more

Maddie looks at musical instruments. She uses a special slow-motion camera to find out how a piano works and how the keys are attached to levers and hammers. Show more

Maddie uses a special waterproof camera to see how the dishwasher works to clean dirty dishes. She visits a sustainable forest to see where wood comes from. Show more

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. Show more

Maddie visits a fairground and goes for a ride on a carousel, using a special camera to find out how it works. Show more

Maddie is preparing for bath time. She uses a special thermal-imaging camera to find out how the hot water system in a house works. Show more

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. Show more

Maddie is making breakfast. She visits a farm to see where eggs come from and uses a thermal imaging camera to show why eggs change colour when they're cooked. Show more

Maddie is looking at toys. She uses a special camera to find out how the magnets on a train set work and visits a factory to see how teddy bears are made. Show more

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. Show more

Maddie goes for a drive in the car. She uses a special microscope camera to find out how car brakes work and visits a factory to see how a car is made. Show more