Nina looks at different household inventions and finds out how they work. Nina and Luke the sight neuron learn about levers and show how handles open doors. Show more
Discover 11,128,835 listings and 279,916 playable programmes from the BBC
Nina looks at different household inventions and finds out how they work. Nina and Luke the sight neuron learn about levers and show how handles open doors. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
