Nina looks at different household inventions and finds out how they work. She asks Luke to help her explain what's inside a television and how the pictures appear. Show more
Discover 11,128,835 listings and 279,758 playable programmes from the BBC
Nina looks at different household inventions and finds out how they work. She asks Luke to help her explain what's inside a television and how the pictures appear. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
