Scientist Nina and her young experimenters discover how substances change and react. They investigate why people use soap, discovering that grease doesn't wash off easily. Show more
Discover 11,128,835 listings and 280,508 playable programmes from the BBC
Scientist Nina and her young experimenters discover how substances change and react. They investigate why people use soap, discovering that grease doesn't wash off easily. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
